316525239 has 14 divisors (see below), whose sum is σ = 474571856. Its totient is φ = 211016340.

The previous prime is 316525229. The next prime is 316525247. The reversal of 316525239 is 932525613.

It is not a de Polignac number, because 316525239 - 2⁸ = 316524983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316525229) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 216367 + ... + 217824.

Almost surely, 2^316525239 is an apocalyptic number.

316525239 is a deficient number, since it is larger than the sum of its proper divisors (158046617).

316525239 is an frugal number, since it uses more digits than its factorization.

316525239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434209 (or 434194 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 316525239 is about 17791.1562018886. The cubic root of 316525239 is about 681.5056308114.

The spelling of 316525239 in words is "three hundred sixteen million, five hundred twenty-five thousand, two hundred thirty-nine".