317689057 has 16 divisors (see below), whose sum is σ = 368726400. Its totient is φ = 268088832.

The previous prime is 317689039. The next prime is 317689079. The reversal of 317689057 is 750986713.

It is a cyclic number.

It is not a de Polignac number, because 317689057 - 2⁷ = 317688929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317688998 and 317689016.

It is not an unprimeable number, because it can be changed into a prime (317689157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204319 + ... + 205867.

It is an arithmetic number, because the mean of its divisors is an integer number (23045400).

Almost surely, 2^317689057 is an apocalyptic number.

It is an amenable number.

317689057 is a deficient number, since it is larger than the sum of its proper divisors (51037343).

317689057 is a wasteful number, since it uses less digits than its factorization.

317689057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 317689057 is about 17823.8339590561. The cubic root of 317689057 is about 682.3398753999.

The spelling of 317689057 in words is "three hundred seventeen million, six hundred eighty-nine thousand, fifty-seven".