256532604 has 24 divisors (see below), whose sum is σ = 630080640. Its totient is φ = 81010224.

The previous prime is 256532603. The next prime is 256532611. The reversal of 256532604 is 406235652.

256532604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256532603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562344 + ... + 562799.

It is an arithmetic number, because the mean of its divisors is an integer number (26253360).

Almost surely, 2^256532604 is an apocalyptic number.

It is an amenable number.

256532604 is an abundant number, since it is smaller than the sum of its proper divisors (373548036).

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

256532604 is a wasteful number, since it uses less digits than its factorization.

256532604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125169 (or 1125167 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 256532604 is about 16016.6352271630. The cubic root of 256532604 is about 635.4004575098.

The spelling of 256532604 in words is "two hundred fifty-six million, five hundred thirty-two thousand, six hundred four".