256852 has 12 divisors (see below), whose sum is σ = 453460. Its totient is φ = 127296.

The previous prime is 256831. The next prime is 256873. The reversal of 256852 is 258652.

It is an interprime number because it is at equal distance from previous prime (256831) and next prime (256873).

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 93636 = 404^2 + 306^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 256852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424 + ... + 832.

2²⁵⁶⁸⁵² is an apocalyptic number.

It is an amenable number.

256852 is a deficient number, since it is larger than the sum of its proper divisors (196608).

256852 is a wasteful number, since it uses less digits than its factorization.

256852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 568 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 256852 is about 506.8056826832. The cubic root of 256852 is about 63.5664049992.

The spelling of 256852 in words is "two hundred fifty-six thousand, eight hundred fifty-two".