157271 has 2 divisors, whose sum is σ = 157272. Its totient is φ = 157270.

The previous prime is 157259. The next prime is 157273. The reversal of 157271 is 172751.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (172751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157271 - 2^{6} = 157207 is a prime.

It is a Sophie Germain prime.

Together with 157273, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78635 + 78636.

It is an arithmetic number, because the mean of its divisors is an integer number (78636).

2^{157271} is an apocalyptic number.

157271 is a deficient number, since it is larger than the sum of its proper divisors (1).

157271 is an equidigital number, since it uses as much as digits as its factorization.

157271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 490, while the sum is 23.

The square root of 157271 is about 396.5740788302. The cubic root of 157271 is about 53.9779287945.

The spelling of 157271 in words is "one hundred fifty-seven thousand, two hundred seventy-one".

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