581132256 has 24 divisors (see below), whose sum is σ = 1525472424. Its totient is φ = 193710720.

The previous prime is 581132239. The next prime is 581132261. The reversal of 581132256 is 652231185.

581132256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

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, 3026635 + ... + 3026826.

It is an arithmetic number, because the mean of its divisors is an integer number (63561351).

Almost surely, 2^581132256 is an apocalyptic number.

It is an amenable number.

581132256 is an abundant number, since it is smaller than the sum of its proper divisors (944340168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

581132256 is a wasteful number, since it uses less digits than its factorization.

581132256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053474 (or 6053466 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 581132256 is about 24106.6848819990. The cubic root of 581132256 is about 834.4974115846.

The spelling of 581132256 in words is "five hundred eighty-one million, one hundred thirty-two thousand, two hundred fifty-six".