256264063 has 32 divisors (see below), whose sum is σ = 297851904. Its totient is φ = 218400000.

The previous prime is 256264061. The next prime is 256264067. The reversal of 256264063 is 360462652.

It is a cyclic number.

It is not a de Polignac number, because 256264063 - 2¹ = 256264061 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 (256264061) 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, 1697038 + ... + 1697188.

It is an arithmetic number, because the mean of its divisors is an integer number (9307872).

Almost surely, 2^256264063 is an apocalyptic number.

256264063 is a deficient number, since it is larger than the sum of its proper divisors (41587841).

256264063 is a wasteful number, since it uses less digits than its factorization.

256264063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 256264063 is about 16008.2498418784. The cubic root of 256264063 is about 635.1786654962.

The spelling of 256264063 in words is "two hundred fifty-six million, two hundred sixty-four thousand, sixty-three".