256960959 has 8 divisors (see below), whose sum is σ = 360647040. Its totient is φ = 162291096.

The previous prime is 256960943. The next prime is 256960961. The reversal of 256960959 is 959069652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 256960959 - 2⁴ = 256960943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256960919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253987 + ... + 2254100.

It is an arithmetic number, because the mean of its divisors is an integer number (45080880).

Almost surely, 2^256960959 is an apocalyptic number.

256960959 is a deficient number, since it is larger than the sum of its proper divisors (103686081).

256960959 is a wasteful number, since it uses less digits than its factorization.

256960959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508109.

The product of its (nonzero) digits is 1312200, while the sum is 51.

The square root of 256960959 is about 16030.0018402993. The cubic root of 256960959 is about 635.7539221461.

The spelling of 256960959 in words is "two hundred fifty-six million, nine hundred sixty thousand, nine hundred fifty-nine".