625764525 has 24 divisors (see below), whose sum is σ = 1089052320. Its totient is φ = 316175040.

The previous prime is 625764521. The next prime is 625764527. The reversal of 625764525 is 525467526.

It is not a de Polignac number, because 625764525 - 2² = 625764521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625764521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218142 + ... + 220991.

It is an arithmetic number, because the mean of its divisors is an integer number (45377180).

Almost surely, 2^625764525 is an apocalyptic number.

It is an amenable number.

625764525 is a deficient number, since it is larger than the sum of its proper divisors (463287795).

625764525 is a wasteful number, since it uses less digits than its factorization.

625764525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439165 (or 439160 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 625764525 is about 25015.2858268699. The cubic root of 625764525 is about 855.3364497830.

The spelling of 625764525 in words is "six hundred twenty-five million, seven hundred sixty-four thousand, five hundred twenty-five".