652557625 has 16 divisors (see below), whose sum is σ = 815707152. Its totient is φ = 521203200.

The previous prime is 652557613. The next prime is 652557649. The reversal of 652557625 is 526755256.

It can be written as a sum of positive squares in 8 ways, for example, as 160250281 + 492307344 = 12659^2 + 22188^2 .

It is not a de Polignac number, because 652557625 - 2¹⁹ = 652033337 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 80247 + ... + 88003.

It is an arithmetic number, because the mean of its divisors is an integer number (50981697).

Almost surely, 2^652557625 is an apocalyptic number.

It is an amenable number.

652557625 is a deficient number, since it is larger than the sum of its proper divisors (163149527).

652557625 is an equidigital number, since it uses as much as digits as its factorization.

652557625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445 (or 8435 counting only the distinct ones).

The product of its digits is 630000, while the sum is 43.

The square root of 652557625 is about 25545.2074761588. The cubic root of 652557625 is about 867.3737798294.

The spelling of 652557625 in words is "six hundred fifty-two million, five hundred fifty-seven thousand, six hundred twenty-five".