652812064 has 12 divisors (see below), whose sum is σ = 1285223814. Its totient is φ = 326406016.

The previous prime is 652812047. The next prime is 652812071. The reversal of 652812064 is 460218256.

It can be written as a sum of positive squares in only one way, i.e., 380562064 + 272250000 = 19508^2 + 16500^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10200157 + ... + 10200220.

Almost surely, 2^652812064 is an apocalyptic number.

It is an amenable number.

652812064 is a deficient number, since it is larger than the sum of its proper divisors (632411750).

652812064 is a wasteful number, since it uses less digits than its factorization.

652812064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20400387 (or 20400379 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 652812064 is about 25550.1871617411. The cubic root of 652812064 is about 867.4864978645.

The spelling of 652812064 in words is "six hundred fifty-two million, eight hundred twelve thousand, sixty-four".