317957 has 2 divisors, whose sum is σ = 317958. Its totient is φ = 317956.

The previous prime is 317923. The next prime is 317959. The reversal of 317957 is 759713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 5476 = 559^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 317957 - 2⁸ = 317701 is a prime.

Together with 317959, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317957.

It is not a weakly prime, because it can be changed into another prime (317959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158978 + 158979.

It is an arithmetic number, because the mean of its divisors is an integer number (158979).

2³¹⁷⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

317957 is a deficient number, since it is larger than the sum of its proper divisors (1).

317957 is an equidigital number, since it uses as much as digits as its factorization.

317957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6615, while the sum is 32.

The square root of 317957 is about 563.8767595849. The cubic root of 317957 is about 68.2531652877.

The spelling of 317957 in words is "three hundred seventeen thousand, nine hundred fifty-seven".