913028025625 has 45 divisors (see below), whose sum is σ = 1173725116641. Its totient is φ = 709993296000.

The previous prime is 913028025563. The next prime is 913028025653. The reversal of 913028025625 is 526520820319.

The square root of 913028025625 is 955525.

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

It can be written as a sum of positive squares in 22 ways, for example, as 470797705609 + 442230320016 = 686147^2 + 665004^2 .

It is not a de Polignac number, because 913028025625 - 2²¹ = 913025928473 is a prime.

It is a Duffinian number.

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, 883860109 + ... + 883861141.

Almost surely, 2^913028025625 is an apocalyptic number.

913028025625 is the 955525-th square number.

913028025625 is the 477763-rd centered octagonal number.

It is an amenable number.

913028025625 is a deficient number, since it is larger than the sum of its proper divisors (260697091016).

913028025625 is an frugal number, since it uses more digits than its factorization.

913028025625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 913028025625 in words is "nine hundred thirteen billion, twenty-eight million, twenty-five thousand, six hundred twenty-five".