318496725 has 24 divisors (see below), whose sum is σ = 585091520. Its totient is φ = 169864560.

The previous prime is 318496667. The next prime is 318496741. The reversal of 318496725 is 527694813.

It is not a de Polignac number, because 318496725 - 2²⁵ = 284942293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 235249 + ... + 236598.

Almost surely, 2^318496725 is an apocalyptic number.

It is an amenable number.

318496725 is a deficient number, since it is larger than the sum of its proper divisors (266594795).

318496725 is a wasteful number, since it uses less digits than its factorization.

318496725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471866 (or 471855 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 318496725 is about 17846.4765430042. The cubic root of 318496725 is about 682.9176287101.

The spelling of 318496725 in words is "three hundred eighteen million, four hundred ninety-six thousand, seven hundred twenty-five".