653212864 has 14 divisors (see below), whose sum is σ = 1296219404. Its totient is φ = 326606400.

The previous prime is 653212817. The next prime is 653212867. The reversal of 653212864 is 468212356.

It is not an unprimeable number, because it can be changed into a prime (653212867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103162 + ... + 5103289.

Almost surely, 2^653212864 is an apocalyptic number.

653212864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

653212864 is a deficient number, since it is larger than the sum of its proper divisors (643006540).

653212864 is a wasteful number, since it uses less digits than its factorization.

653212864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206463 (or 10206453 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 653212864 is about 25558.0293450023. The cubic root of 653212864 is about 867.6639953283.

The spelling of 653212864 in words is "six hundred fifty-three million, two hundred twelve thousand, eight hundred sixty-four".