652215772 has 12 divisors (see below), whose sum is σ = 1229175976. Its totient is φ = 301022640.

The previous prime is 652215731. The next prime is 652215791. The reversal of 652215772 is 277512256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6271254 + ... + 6271357.

Almost surely, 2^652215772 is an apocalyptic number.

It is an amenable number.

652215772 is a deficient number, since it is larger than the sum of its proper divisors (576960204).

652215772 is a wasteful number, since it uses less digits than its factorization.

652215772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12542628 (or 12542626 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 652215772 is about 25538.5154619449. The cubic root of 652215772 is about 867.2222907192. Note that the first 4 decimals are identical.

The spelling of 652215772 in words is "six hundred fifty-two million, two hundred fifteen thousand, seven hundred seventy-two".