611321204 has 12 divisors (see below), whose sum is σ = 1152105444. Its totient is φ = 282148224.

The previous prime is 611321177. The next prime is 611321251. The reversal of 611321204 is 402123116.

It can be written as a sum of positive squares in 2 ways, for example, as 318979600 + 292341604 = 17860^2 + 17098^2 .

It is a super-2 number, since 2×611321204² = 747427228920019232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5878037 + ... + 5878140.

It is an arithmetic number, because the mean of its divisors is an integer number (96008787).

Almost surely, 2^611321204 is an apocalyptic number.

It is an amenable number.

611321204 is a deficient number, since it is larger than the sum of its proper divisors (540784240).

611321204 is a wasteful number, since it uses less digits than its factorization.

611321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11756194 (or 11756192 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 611321204 is about 24724.9105964005. The cubic root of 611321204 is about 848.7044642314.

The spelling of 611321204 in words is "six hundred eleven million, three hundred twenty-one thousand, two hundred four".