256633052 has 24 divisors (see below), whose sum is σ = 484453200. Its totient is φ = 118250496.

The previous prime is 256633051. The next prime is 256633081. The reversal of 256633052 is 250336652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256633051) 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 in 7 ways as a sum of consecutive naturals, for example, 30524 + ... + 38012.

It is an arithmetic number, because the mean of its divisors is an integer number (20185550).

Almost surely, 2^256633052 is an apocalyptic number.

It is an amenable number.

256633052 is a deficient number, since it is larger than the sum of its proper divisors (227820148).

256633052 is a wasteful number, since it uses less digits than its factorization.

256633052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165 (or 8163 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 256633052 is about 16019.7706600313. The cubic root of 256633052 is about 635.4833792327.

The spelling of 256633052 in words is "two hundred fifty-six million, six hundred thirty-three thousand, fifty-two".