256374754 has 16 divisors (see below), whose sum is σ = 394243200. Its totient is φ = 124981264.

The previous prime is 256374751. The next prime is 256374757. The reversal of 256374754 is 457473652.

It is an interprime number because it is at equal distance from previous prime (256374751) and next prime (256374757).

It is a self number, because there is not a number n which added to its sum of digits gives 256374754.

It is not an unprimeable number, because it can be changed into a prime (256374751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20217 + ... + 30355.

It is an arithmetic number, because the mean of its divisors is an integer number (24640200).

Almost surely, 2^256374754 is an apocalyptic number.

256374754 is a deficient number, since it is larger than the sum of its proper divisors (137868446).

256374754 is a wasteful number, since it uses less digits than its factorization.

256374754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457.

The product of its digits is 705600, while the sum is 43.

The square root of 256374754 is about 16011.7067797284. The cubic root of 256374754 is about 635.2701056045.

The spelling of 256374754 in words is "two hundred fifty-six million, three hundred seventy-four thousand, seven hundred fifty-four".