316400025 has 12 divisors (see below), whose sum is σ = 523114832. Its totient is φ = 168746640.

The previous prime is 316400017. The next prime is 316400041. The reversal of 316400025 is 520004613.

It is a happy number.

It is not a de Polignac number, because 316400025 - 2³ = 316400017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316399974 and 316400010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2109259 + ... + 2109408.

Almost surely, 2^316400025 is an apocalyptic number.

It is an amenable number.

316400025 is a deficient number, since it is larger than the sum of its proper divisors (206714807).

316400025 is a wasteful number, since it uses less digits than its factorization.

316400025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218680 (or 4218675 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 316400025 is about 17787.6368582226. The cubic root of 316400025 is about 681.4157535121.

Adding to 316400025 its reverse (520004613), we get a palindrome (836404638).

The spelling of 316400025 in words is "three hundred sixteen million, four hundred thousand, twenty-five".