318801390625 has 21 divisors (see below), whose sum is σ = 398584878517. Its totient is φ = 254984650000.

The previous prime is 318801390619. The next prime is 318801390671. The reversal of 318801390625 is 526093108813.

The square root of 318801390625 is 564625.

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

It can be written as a sum of positive squares in 10 ways, for example, as 53683499809 + 265117890816 = 231697^2 + 514896^2 .

It is not a de Polignac number, because 318801390625 - 2³³ = 310211456033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 70575867 + ... + 70580383.

Almost surely, 2^318801390625 is an apocalyptic number.

318801390625 is the 564625-th square number.

318801390625 is the 282313-rd centered octagonal number.

It is an amenable number.

318801390625 is a deficient number, since it is larger than the sum of its proper divisors (79783487892).

318801390625 is an frugal number, since it uses more digits than its factorization.

318801390625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9064 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 318801390625 in words is "three hundred eighteen billion, eight hundred one million, three hundred ninety thousand, six hundred twenty-five".