313618725 has 72 divisors (see below), whose sum is σ = 646244352. Its totient is φ = 142416000.

The previous prime is 313618691. The next prime is 313618763. The reversal of 313618725 is 527816313.

313618725 is a `hidden beast` number, since 3 + 13 + 618 + 7 + 25 = 666.

It is not a de Polignac number, because 313618725 - 2⁸ = 313618469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313618725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 271900 + ... + 273050.

It is an arithmetic number, because the mean of its divisors is an integer number (8975616).

Almost surely, 2^313618725 is an apocalyptic number.

313618725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

313618725 is an abundant number, since it is smaller than the sum of its proper divisors (332625627).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313618725 is a wasteful number, since it uses less digits than its factorization.

313618725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1339 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 313618725 is about 17709.2835823474. The cubic root of 313618725 is about 679.4132229059.

The spelling of 313618725 in words is "three hundred thirteen million, six hundred eighteen thousand, seven hundred twenty-five".