256304552 has 32 divisors (see below), whose sum is σ = 568166400. Its totient is φ = 106056384.

The previous prime is 256304549. The next prime is 256304561. The reversal of 256304552 is 255403652.

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, 77288 + ... + 80535.

It is an arithmetic number, because the mean of its divisors is an integer number (17755200).

Almost surely, 2^256304552 is an apocalyptic number.

It is an amenable number.

256304552 is an abundant number, since it is smaller than the sum of its proper divisors (311861848).

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

256304552 is a wasteful number, since it uses less digits than its factorization.

256304552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157865 (or 157861 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 256304552 is about 16009.5144211185. The cubic root of 256304552 is about 635.2121158811.

The spelling of 256304552 in words is "two hundred fifty-six million, three hundred four thousand, five hundred fifty-two".