256701459 has 32 divisors (see below), whose sum is σ = 410102784. Its totient is φ = 139645440.

The previous prime is 256701439. The next prime is 256701461. The reversal of 256701459 is 954107652.

It is not a de Polignac number, because 256701459 - 2⁷ = 256701331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256701409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111399 + ... + 113679.

It is an arithmetic number, because the mean of its divisors is an integer number (12815712).

Almost surely, 2^256701459 is an apocalyptic number.

256701459 is a deficient number, since it is larger than the sum of its proper divisors (153401325).

256701459 is a wasteful number, since it uses less digits than its factorization.

256701459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 256701459 is about 16021.9055982739. The cubic root of 256701459 is about 635.5398381199.

The spelling of 256701459 in words is "two hundred fifty-six million, seven hundred one thousand, four hundred fifty-nine".