256262900 has 18 divisors (see below), whose sum is σ = 556090710. Its totient is φ = 102505120.

The previous prime is 256262887. The next prime is 256262911. The reversal of 256262900 is 9262652.

It is a happy number.

256262900 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 3 ways, for example, as 77933584 + 178329316 = 8828^2 + 13354^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1281215 + ... + 1281414.

Almost surely, 2^256262900 is an apocalyptic number.

256262900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256262900 is an abundant number, since it is smaller than the sum of its proper divisors (299827810).

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

256262900 is a wasteful number, since it uses less digits than its factorization.

256262900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562643 (or 2562636 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 256262900 is about 16008.2135168169. The cubic root of 256262900 is about 635.1777046203.

The spelling of 256262900 in words is "two hundred fifty-six million, two hundred sixty-two thousand, nine hundred".