256064526 has 24 divisors (see below), whose sum is σ = 572704704. Its totient is φ = 82601280.

The previous prime is 256064513. The next prime is 256064551. The reversal of 256064526 is 625460652.

256064526 is a `hidden beast` number, since 2 + 5 + 6 + 0 + 645 + 2 + 6 = 666.

256064526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228891 + ... + 230006.

It is an arithmetic number, because the mean of its divisors is an integer number (23862696).

Almost surely, 2^256064526 is an apocalyptic number.

256064526 is an abundant number, since it is smaller than the sum of its proper divisors (316640178).

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

256064526 is a wasteful number, since it uses less digits than its factorization.

256064526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458936 (or 458933 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 256064526 is about 16002.0163104529. The cubic root of 256064526 is about 635.0137645558.

The spelling of 256064526 in words is "two hundred fifty-six million, sixty-four thousand, five hundred twenty-six".