256262899 has 4 divisors (see below), whose sum is σ = 269750440. Its totient is φ = 242775360.

The previous prime is 256262887. The next prime is 256262911. The reversal of 256262899 is 998262652.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (256262887) and next prime (256262911).

It is a cyclic number.

It is not a de Polignac number, because 256262899 - 2⁹ = 256262387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256260899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6743742 + ... + 6743779.

It is an arithmetic number, because the mean of its divisors is an integer number (67437610).

Almost surely, 2^256262899 is an apocalyptic number.

256262899 is a deficient number, since it is larger than the sum of its proper divisors (13487541).

256262899 is a wasteful number, since it uses less digits than its factorization.

256262899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13487540.

The product of its digits is 933120, while the sum is 49.

The square root of 256262899 is about 16008.2134855830. The cubic root of 256262899 is about 635.1777037941.

The spelling of 256262899 in words is "two hundred fifty-six million, two hundred sixty-two thousand, eight hundred ninety-nine".