625315625 has 24 divisors (see below), whose sum is σ = 852695424. Its totient is φ = 454750000.

The previous prime is 625315567. The next prime is 625315633. The reversal of 625315625 is 526513526.

It is not a de Polignac number, because 625315625 - 2¹⁰ = 625314601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25280 + ... + 43470.

It is an arithmetic number, because the mean of its divisors is an integer number (35528976).

Almost surely, 2^625315625 is an apocalyptic number.

It is an amenable number.

625315625 is a deficient number, since it is larger than the sum of its proper divisors (227379799).

625315625 is an equidigital number, since it uses as much as digits as its factorization.

625315625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227 (or 18207 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 625315625 is about 25006.3117032480. The cubic root of 625315625 is about 855.1318720936.

The spelling of 625315625 in words is "six hundred twenty-five million, three hundred fifteen thousand, six hundred twenty-five".