256502252 has 6 divisors (see below), whose sum is σ = 448878948. Its totient is φ = 128251124.

The previous prime is 256502251. The next prime is 256502263. The reversal of 256502252 is 252205652.

It is not an unprimeable number, because it can be changed into a prime (256502251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32062778 + ... + 32062785.

It is an arithmetic number, because the mean of its divisors is an integer number (74813158).

Almost surely, 2^256502252 is an apocalyptic number.

It is an amenable number.

256502252 is a deficient number, since it is larger than the sum of its proper divisors (192376696).

256502252 is a wasteful number, since it uses less digits than its factorization.

256502252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64125567 (or 64125565 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 256502252 is about 16015.6876842676. The cubic root of 256502252 is about 635.3753971015.

The spelling of 256502252 in words is "two hundred fifty-six million, five hundred two thousand, two hundred fifty-two".