256535232 has 28 divisors (see below), whose sum is σ = 678749976. Its totient is φ = 85511680.

The previous prime is 256535231. The next prime is 256535233. The reversal of 256535232 is 232535652.

It is an interprime number because it is at equal distance from previous prime (256535231) and next prime (256535233).

It is a junction number, because it is equal to n+sod(n) for n = 256535193 and 256535202.

It is not an unprimeable number, because it can be changed into a prime (256535231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667869 + ... + 668252.

Almost surely, 2^256535232 is an apocalyptic number.

It is an amenable number.

256535232 is an abundant number, since it is smaller than the sum of its proper divisors (422214744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256535232 is a wasteful number, since it uses less digits than its factorization.

256535232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336136 (or 1336126 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

The square root of 256535232 is about 16016.7172666561. The cubic root of 256535232 is about 635.4026272492.

The spelling of 256535232 in words is "two hundred fifty-six million, five hundred thirty-five thousand, two hundred thirty-two".