653240564 has 12 divisors (see below), whose sum is σ = 1153855584. Its totient is φ = 323567544.

The previous prime is 653240557. The next prime is 653240579. The reversal of 653240564 is 465042356.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762704 + ... + 763559.

It is an arithmetic number, because the mean of its divisors is an integer number (96154632).

Almost surely, 2^653240564 is an apocalyptic number.

It is an amenable number.

653240564 is a deficient number, since it is larger than the sum of its proper divisors (500615020).

653240564 is a wasteful number, since it uses less digits than its factorization.

653240564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526374 (or 1526372 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 653240564 is about 25558.5712433227. The cubic root of 653240564 is about 867.6762598106.

The spelling of 653240564 in words is "six hundred fifty-three million, two hundred forty thousand, five hundred sixty-four".