256732052 has 12 divisors (see below), whose sum is σ = 452143860. Its totient is φ = 127548096.

The previous prime is 256732039. The next prime is 256732057. The reversal of 256732052 is 250237652.

256732052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28238596 + 228493456 = 5314^2 + 15116^2 .

It is a super-2 number, since 2×256732052² = 131822693048261408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256732057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203777 + ... + 205032.

It is an arithmetic number, because the mean of its divisors is an integer number (37678655).

Almost surely, 2^256732052 is an apocalyptic number.

It is an amenable number.

256732052 is a deficient number, since it is larger than the sum of its proper divisors (195411808).

256732052 is a wasteful number, since it uses less digits than its factorization.

256732052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408970 (or 408968 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 256732052 is about 16022.8602939675. The cubic root of 256732052 is about 635.5650844352.

The spelling of 256732052 in words is "two hundred fifty-six million, seven hundred thirty-two thousand, fifty-two".