625572 has 18 divisors (see below), whose sum is σ = 1581398. Its totient is φ = 208512.

The previous prime is 625543. The next prime is 625589. The reversal of 625572 is 275526.

It can be written as a sum of positive squares in only one way, i.e., 389376 + 236196 = 624^2 + 486^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625572.

It is an unprimeable number.

625572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8653 + ... + 8724.

2⁶²⁵⁵⁷² is an apocalyptic number.

It is an amenable number.

625572 is an abundant number, since it is smaller than the sum of its proper divisors (955826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625572 is a wasteful number, since it uses less digits than its factorization.

625572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17387 (or 17382 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 625572 is about 790.9310968725. The cubic root of 625572 is about 85.5248722140.

The spelling of 625572 in words is "six hundred twenty-five thousand, five hundred seventy-two".