652820931 has 32 divisors (see below), whose sum is σ = 1120896000. Its totient is φ = 367778880.

The previous prime is 652820923. The next prime is 652820939. The reversal of 652820931 is 139028256.

It is an interprime number because it is at equal distance from previous prime (652820923) and next prime (652820939).

It is not a de Polignac number, because 652820931 - 2³ = 652820923 is a prime.

It is a super-4 number, since 4×652820931⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (652820939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10906 + ... + 37743.

It is an arithmetic number, because the mean of its divisors is an integer number (35028000).

Almost surely, 2^652820931 is an apocalyptic number.

652820931 is a deficient number, since it is larger than the sum of its proper divisors (468075069).

652820931 is a wasteful number, since it uses less digits than its factorization.

652820931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48736 (or 48730 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 652820931 is about 25550.3606823857. The cubic root of 652820931 is about 867.4904254716.

The spelling of 652820931 in words is "six hundred fifty-two million, eight hundred twenty thousand, nine hundred thirty-one".