317985675 has 24 divisors (see below), whose sum is σ = 600842496. Its totient is φ = 145364640.

The previous prime is 317985643. The next prime is 317985683. The reversal of 317985675 is 576589713.

It is not a de Polignac number, because 317985675 - 2⁵ = 317985643 is a prime.

It is a super-2 number, since 2×317985675² = 202229779010411250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302319 + ... + 303368.

It is an arithmetic number, because the mean of its divisors is an integer number (25035104).

Almost surely, 2^317985675 is an apocalyptic number.

317985675 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

317985675 is a deficient number, since it is larger than the sum of its proper divisors (282856821).

317985675 is a wasteful number, since it uses less digits than its factorization.

317985675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605707 (or 605702 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 51.

The square root of 317985675 is about 17832.1528425482. The cubic root of 317985675 is about 682.5521703334.

It can be divided in two parts, 31798 and 5675, that added together give a palindrome (37473).

The spelling of 317985675 in words is "three hundred seventeen million, nine hundred eighty-five thousand, six hundred seventy-five".