256548001 has 8 divisors (see below), whose sum is σ = 258959360. Its totient is φ = 254143008.

The previous prime is 256547999. The next prime is 256548011. The reversal of 256548001 is 100845652.

256548001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 256548001 - 2¹ = 256547999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256548011) 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, 121765 + ... + 123853.

It is an arithmetic number, because the mean of its divisors is an integer number (32369920).

Almost surely, 2^256548001 is an apocalyptic number.

It is an amenable number.

256548001 is a deficient number, since it is larger than the sum of its proper divisors (2411359).

256548001 is a wasteful number, since it uses less digits than its factorization.

256548001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 256548001 is about 16017.1158764617. The cubic root of 256548001 is about 635.4131694289.

The spelling of 256548001 in words is "two hundred fifty-six million, five hundred forty-eight thousand, one".