256825528 has 32 divisors (see below), whose sum is σ = 510688800. Its totient is φ = 120666112.

The previous prime is 256825519. The next prime is 256825529. The reversal of 256825528 is 825528652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256825529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119568 + ... + 121696.

It is an arithmetic number, because the mean of its divisors is an integer number (15959025).

Almost surely, 2^256825528 is an apocalyptic number.

It is an amenable number.

256825528 is a deficient number, since it is larger than the sum of its proper divisors (253863272).

256825528 is a wasteful number, since it uses less digits than its factorization.

256825528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039 (or 3035 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 256825528 is about 16025.7769858438. The cubic root of 256825528 is about 635.6422113754.

The spelling of 256825528 in words is "two hundred fifty-six million, eight hundred twenty-five thousand, five hundred twenty-eight".