256242652 has 12 divisors (see below), whose sum is σ = 462890176. Its totient is φ = 123988320.

The previous prime is 256242647. The next prime is 256242667.

256242652 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033113 + ... + 1033360.

Almost surely, 2^256242652 is an apocalyptic number.

It is an amenable number.

256242652 is a deficient number, since it is larger than the sum of its proper divisors (206647524).

256242652 is a wasteful number, since it uses less digits than its factorization.

256242652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066508 (or 2066506 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 256242652 is about 16007.5810789763. The cubic root of 256242652 is about 635.1609751640.

The spelling of 256242652 in words is "two hundred fifty-six million, two hundred forty-two thousand, six hundred fifty-two".