256259 has 4 divisors (see below), whose sum is σ = 258720. Its totient is φ = 253800.

The previous prime is 256219. The next prime is 256279. The reversal of 256259 is 952652.

256259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 256259 - 2¹² = 252163 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256259.

It is not an unprimeable number, because it can be changed into a prime (256219) 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, 1067 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2²⁵⁶²⁵⁹ is an apocalyptic number.

256259 is a deficient number, since it is larger than the sum of its proper divisors (2461).

256259 is a wasteful number, since it uses less digits than its factorization.

256259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its digits is 5400, while the sum is 29.

The square root of 256259 is about 506.2203077712. The cubic root of 256259 is about 63.5174482401.

It can be divided in two parts, 256 and 259, that added together give a palindrome (515).

The spelling of 256259 in words is "two hundred fifty-six thousand, two hundred fifty-nine".