317681625 has 16 divisors (see below), whose sum is σ = 528622848. Its totient is φ = 169430000.

The previous prime is 317681603. The next prime is 317681633. The reversal of 317681625 is 526186713.

It is not a de Polignac number, because 317681625 - 2⁸ = 317681369 is a prime.

It is a super-2 number, since 2×317681625² = 201843229725281250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423201 + ... + 423950.

It is an arithmetic number, because the mean of its divisors is an integer number (33038928).

Almost surely, 2^317681625 is an apocalyptic number.

It is an amenable number.

317681625 is a deficient number, since it is larger than the sum of its proper divisors (210941223).

317681625 is an equidigital number, since it uses as much as digits as its factorization.

317681625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847169 (or 847159 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 317681625 is about 17823.6254729502. The cubic root of 317681625 is about 682.3345544848.

The spelling of 317681625 in words is "three hundred seventeen million, six hundred eighty-one thousand, six hundred twenty-five".