652745344 has 32 divisors (see below), whose sum is σ = 1303587540. Its totient is φ = 325570560.

The previous prime is 652745339. The next prime is 652745351. The reversal of 652745344 is 443547256.

It can be written as a sum of positive squares in 2 ways, for example, as 525326400 + 127418944 = 22920^2 + 11288^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×652745344² = 852152968227356672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652745297 and 652745306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47832 + ... + 59944.

Almost surely, 2^652745344 is an apocalyptic number.

652745344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

652745344 is a deficient number, since it is larger than the sum of its proper divisors (650842196).

652745344 is a wasteful number, since it uses less digits than its factorization.

652745344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12548 (or 12536 counting only the distinct ones).

The product of its digits is 403200, while the sum is 40.

The square root of 652745344 is about 25548.8814627960. The cubic root of 652745344 is about 867.4569433294.

The spelling of 652745344 in words is "six hundred fifty-two million, seven hundred forty-five thousand, three hundred forty-four".