256024051 has 4 divisors (see below), whose sum is σ = 256233600. Its totient is φ = 255814504.

The previous prime is 256024037. The next prime is 256024057. The reversal of 256024051 is 150420652.

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 256024051 - 2⁵ = 256024019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256024057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102931 + ... + 105388.

It is an arithmetic number, because the mean of its divisors is an integer number (64058400).

Almost surely, 2^256024051 is an apocalyptic number.

256024051 is a deficient number, since it is larger than the sum of its proper divisors (209549).

256024051 is a wasteful number, since it uses less digits than its factorization.

256024051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209548.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 256024051 is about 16000.7515760979. The cubic root of 256024051 is about 634.9803048431.

The spelling of 256024051 in words is "two hundred fifty-six million, twenty-four thousand, fifty-one".