256327152527 has 4 divisors (see below), whose sum is σ = 256333010736. Its totient is φ = 256321294320.

The previous prime is 256327152517. The next prime is 256327152547. The reversal of 256327152527 is 725251723652.

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 256327152527 - 2²⁰ = 256326103951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256327152517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862974 + ... + 2951147.

It is an arithmetic number, because the mean of its divisors is an integer number (64083252684).

Almost surely, 2^256327152527 is an apocalyptic number.

256327152527 is a deficient number, since it is larger than the sum of its proper divisors (5858209).

256327152527 is an equidigital number, since it uses as much as digits as its factorization.

256327152527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858208.

The product of its digits is 1764000, while the sum is 47.

The spelling of 256327152527 in words is "two hundred fifty-six billion, three hundred twenty-seven million, one hundred fifty-two thousand, five hundred twenty-seven".