653311604 has 24 divisors (see below), whose sum is σ = 1248307200. Its totient is φ = 296703680.

The previous prime is 653311511. The next prime is 653311621. The reversal of 653311604 is 406113356.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50957 + ... + 62475.

It is an arithmetic number, because the mean of its divisors is an integer number (52012800).

Almost surely, 2^653311604 is an apocalyptic number.

It is an amenable number.

653311604 is a deficient number, since it is larger than the sum of its proper divisors (594995596).

653311604 is a wasteful number, since it uses less digits than its factorization.

653311604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12823 (or 12821 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 653311604 is about 25559.9609545868. The cubic root of 653311604 is about 867.7077119742.

The spelling of 653311604 in words is "six hundred fifty-three million, three hundred eleven thousand, six hundred four".