256268 has 6 divisors (see below), whose sum is σ = 448476. Its totient is φ = 128132.

The previous prime is 256219. The next prime is 256279. The reversal of 256268 is 862652.

256268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 256268.

It is an unprimeable number.

256268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32030 + ... + 32037.

It is an arithmetic number, because the mean of its divisors is an integer number (74746).

2²⁵⁶²⁶⁸ is an apocalyptic number.

It is an amenable number.

256268 is a deficient number, since it is larger than the sum of its proper divisors (192208).

256268 is a wasteful number, since it uses less digits than its factorization.

256268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64071 (or 64069 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 256268 is about 506.2291971034. The cubic root of 256268 is about 63.5181918242.

The spelling of 256268 in words is "two hundred fifty-six thousand, two hundred sixty-eight".