256231204 has 12 divisors (see below), whose sum is σ = 448881804. Its totient is φ = 127979264.

The previous prime is 256231193. The next prime is 256231219. The reversal of 256231204 is 402132652.

256231204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176092900 + 80138304 = 13270^2 + 8952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29797 + ... + 37420.

It is an arithmetic number, because the mean of its divisors is an integer number (37406817).

Almost surely, 2^256231204 is an apocalyptic number.

It is an amenable number.

256231204 is a deficient number, since it is larger than the sum of its proper divisors (192650600).

256231204 is a wasteful number, since it uses less digits than its factorization.

256231204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68174 (or 68172 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 256231204 is about 16007.2234944103. The cubic root of 256231204 is about 635.1515161206.

Adding to 256231204 its reverse (402132652), we get a palindrome (658363856).

The spelling of 256231204 in words is "two hundred fifty-six million, two hundred thirty-one thousand, two hundred four".