625688125 has 20 divisors (see below), whose sum is σ = 783424224. Its totient is φ = 499550000.

The previous prime is 625688117. The next prime is 625688131. The reversal of 625688125 is 521886526.

It is not a de Polignac number, because 625688125 - 2³ = 625688117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 606360 + ... + 607390.

Almost surely, 2^625688125 is an apocalyptic number.

It is an amenable number.

625688125 is a deficient number, since it is larger than the sum of its proper divisors (157736099).

625688125 is an equidigital number, since it uses as much as digits as its factorization.

625688125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2007 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 625688125 is about 25013.7587139558. The cubic root of 625688125 is about 855.3016388375.

The spelling of 625688125 in words is "six hundred twenty-five million, six hundred eighty-eight thousand, one hundred twenty-five".