625311705604 has 48 divisors (see below), whose sum is σ = 1126002750768. Its totient is φ = 303719456768.

The previous prime is 625311705547. The next prime is 625311705611. The reversal of 625311705604 is 406507113526.

It can be written as a sum of positive squares in 8 ways, for example, as 7361640000 + 617950065604 = 85800^2 + 786098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23391654 + ... + 23418370.

It is an arithmetic number, because the mean of its divisors is an integer number (23458390641).

Almost surely, 2^625311705604 is an apocalyptic number.

It is an amenable number.

625311705604 is a deficient number, since it is larger than the sum of its proper divisors (500691045164).

625311705604 is a wasteful number, since it uses less digits than its factorization.

625311705604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27864 (or 27862 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 625311705604 in words is "six hundred twenty-five billion, three hundred eleven million, seven hundred five thousand, six hundred four".