256552254 has 24 divisors (see below), whose sum is σ = 635272560. Its totient is φ = 73300608.

The previous prime is 256552243. The next prime is 256552267. The reversal of 256552254 is 452255652.

256552254 is a `hidden beast` number, since 2 + 56 + 552 + 2 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017939 + ... + 1018190.

It is an arithmetic number, because the mean of its divisors is an integer number (26469690).

Almost surely, 2^256552254 is an apocalyptic number.

256552254 is an abundant number, since it is smaller than the sum of its proper divisors (378720306).

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

256552254 is a wasteful number, since it uses less digits than its factorization.

256552254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036144 (or 2036141 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 256552254 is about 16017.2486401379. The cubic root of 256552254 is about 635.4166806591.

The spelling of 256552254 in words is "two hundred fifty-six million, five hundred fifty-two thousand, two hundred fifty-four".