256326527 has 12 divisors (see below), whose sum is σ = 273721200. Its totient is φ = 239982336.

The previous prime is 256326509. The next prime is 256326529. The reversal of 256326527 is 725623652.

It is a happy number.

It is not a de Polignac number, because 256326527 - 2¹² = 256322431 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 (256326529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55283 + ... + 59739.

It is an arithmetic number, because the mean of its divisors is an integer number (22810100).

Almost surely, 2^256326527 is an apocalyptic number.

256326527 is a deficient number, since it is larger than the sum of its proper divisors (17394673).

256326527 is a wasteful number, since it uses less digits than its factorization.

256326527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4673 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 256326527 is about 16010.2007170429. The cubic root of 256326527 is about 635.2302692684.

The spelling of 256326527 in words is "two hundred fifty-six million, three hundred twenty-six thousand, five hundred twenty-seven".