581060256 has 48 divisors (see below), whose sum is σ = 1743182784. Its totient is φ = 166017024.

The previous prime is 581060219. The next prime is 581060303. The reversal of 581060256 is 652060185.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×581060256² = 675262042205571072, which contains 22 as substring.

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, 431665 + ... + 433008.

It is an arithmetic number, because the mean of its divisors is an integer number (36316308).

Almost surely, 2^581060256 is an apocalyptic number.

581060256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

581060256 is an abundant number, since it is smaller than the sum of its proper divisors (1162122528).

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

581060256 is a wasteful number, since it uses less digits than its factorization.

581060256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864693 (or 864685 counting only the distinct ones).

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

The square root of 581060256 is about 24105.1914740373. The cubic root of 581060256 is about 834.4629465126.

It can be divided in two parts, 5810 and 60256, that added together give a palindrome (66066).

The spelling of 581060256 in words is "five hundred eighty-one million, sixty thousand, two hundred fifty-six".