612653204 has 24 divisors (see below), whose sum is σ = 1080633960. Its totient is φ = 303908864.

The previous prime is 612653143. The next prime is 612653213. The reversal of 612653204 is 402356216.

It can be written as a sum of positive squares in 4 ways, for example, as 42876304 + 569776900 = 6548^2 + 23870^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642392 + ... + 643344.

It is an arithmetic number, because the mean of its divisors is an integer number (45026415).

Almost surely, 2^612653204 is an apocalyptic number.

It is an amenable number.

612653204 is a deficient number, since it is larger than the sum of its proper divisors (467980756).

612653204 is a wasteful number, since it uses less digits than its factorization.

612653204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 612653204 is about 24751.8323362130. The cubic root of 612653204 is about 849.3204275322.

The spelling of 612653204 in words is "six hundred twelve million, six hundred fifty-three thousand, two hundred four".