256354315 has 16 divisors (see below), whose sum is σ = 361075392. Its totient is φ = 171033984.

The previous prime is 256354291. The next prime is 256354349. The reversal of 256354315 is 513453652.

256354315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 256354315 - 2⁷ = 256354187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97684 + ... + 100273.

It is an arithmetic number, because the mean of its divisors is an integer number (22567212).

Almost surely, 2^256354315 is an apocalyptic number.

256354315 is a deficient number, since it is larger than the sum of its proper divisors (104721077).

256354315 is a wasteful number, since it uses less digits than its factorization.

256354315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198006.

The product of its digits is 54000, while the sum is 34.

The square root of 256354315 is about 16011.0685152491. The cubic root of 256354315 is about 635.2532232470.

The spelling of 256354315 in words is "two hundred fifty-six million, three hundred fifty-four thousand, three hundred fifteen".