318744930625 has 45 divisors (see below), whose sum is σ = 438018210399. Its totient is φ = 231701580000.

The previous prime is 318744930619. The next prime is 318744930653. The reversal of 318744930625 is 526039447813.

It is a happy number.

The square root of 318744930625 is 564575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 240655981489 + 78088949136 = 490567^2 + 279444^2 .

It is not a de Polignac number, because 318744930625 - 2⁹ = 318744930113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 155257099 + ... + 155259151.

It is a 2-persistent number, because it is pandigital, and so is 2⋅318744930625 = 637489861250, but 3⋅318744930625 = 956234791875 is not.

Almost surely, 2^318744930625 is an apocalyptic number.

318744930625 is the 564575-th square number.

318744930625 is the 282288-th centered octagonal number.

It is an amenable number.

318744930625 is a deficient number, since it is larger than the sum of its proper divisors (119273279774).

318744930625 is an frugal number, since it uses more digits than its factorization.

318744930625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 318744930625 in words is "three hundred eighteen billion, seven hundred forty-four million, nine hundred thirty thousand, six hundred twenty-five".