652565872 has 40 divisors (see below), whose sum is σ = 1491587072. Its totient is φ = 270648000.

The previous prime is 652565843. The next prime is 652565891. The reversal of 652565872 is 278565256.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90504 + ... + 97447.

Almost surely, 2^652565872 is an apocalyptic number.

652565872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

652565872 is an abundant number, since it is smaller than the sum of its proper divisors (839021200).

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

652565872 is a wasteful number, since it uses less digits than its factorization.

652565872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187997 (or 187991 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 652565872 is about 25545.3688953595. The cubic root of 652565872 is about 867.3774337603.

The spelling of 652565872 in words is "six hundred fifty-two million, five hundred sixty-five thousand, eight hundred seventy-two".