256924211 has 4 divisors (see below), whose sum is σ = 257291424. Its totient is φ = 256557000.

The previous prime is 256924193. The next prime is 256924219. The reversal of 256924211 is 112429652.

256924211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 256924211 - 2¹⁸ = 256662067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256924219) 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, 182555 + ... + 183956.

It is an arithmetic number, because the mean of its divisors is an integer number (64322856).

Almost surely, 2^256924211 is an apocalyptic number.

256924211 is a deficient number, since it is larger than the sum of its proper divisors (367213).

256924211 is an equidigital number, since it uses as much as digits as its factorization.

256924211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367212.

The product of its digits is 8640, while the sum is 32.

The square root of 256924211 is about 16028.8555736210. The cubic root of 256924211 is about 635.7236143009.

The spelling of 256924211 in words is "two hundred fifty-six million, nine hundred twenty-four thousand, two hundred eleven".