653211364 has 27 divisors (see below), whose sum is σ = 1239076713. Its totient is φ = 301175472.

The previous prime is 653211347. The next prime is 653211371. The reversal of 653211364 is 463112356.

The square root of 653211364 is 25558.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 96628900 + 556582464 = 9830^2 + 23592^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 664017 + ... + 664999.

Almost surely, 2^653211364 is an apocalyptic number.

653211364 is the 25558-th square number.

It is an amenable number.

653211364 is a deficient number, since it is larger than the sum of its proper divisors (585865349).

653211364 is an equidigital number, since it uses as much as digits as its factorization.

653211364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 998 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The cubic root of 653211364 is about 867.6633311767.

The spelling of 653211364 in words is "six hundred fifty-three million, two hundred eleven thousand, three hundred sixty-four".