652670613 has 24 divisors (see below), whose sum is σ = 1140804288. Its totient is φ = 351015552.

The previous prime is 652670597. The next prime is 652670617. The reversal of 652670613 is 316076256.

652670613 is a `hidden beast` number, since 6 + 526 + 70 + 61 + 3 = 666.

It is not a de Polignac number, because 652670613 - 2⁴ = 652670597 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 (652670617) 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, 303631 + ... + 305772.

It is an arithmetic number, because the mean of its divisors is an integer number (47533512).

Almost surely, 2^652670613 is an apocalyptic number.

652670613 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

652670613 is a deficient number, since it is larger than the sum of its proper divisors (488133675).

652670613 is a wasteful number, since it uses less digits than its factorization.

652670613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609433 (or 609430 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 652670613 is about 25547.4189107236. The cubic root of 652670613 is about 867.4238378213.

The spelling of 652670613 in words is "six hundred fifty-two million, six hundred seventy thousand, six hundred thirteen".