268259 has 4 divisors (see below), whose sum is σ = 269304. Its totient is φ = 267216.

The previous prime is 268253. The next prime is 268267. The reversal of 268259 is 952862.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 268259 - 2⁸ = 268003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268253) 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, 164 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (67326).

2²⁶⁸²⁵⁹ is an apocalyptic number.

268259 is a deficient number, since it is larger than the sum of its proper divisors (1045).

268259 is an equidigital number, since it uses as much as digits as its factorization.

268259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its digits is 8640, while the sum is 32.

The square root of 268259 is about 517.9372548871. The cubic root of 268259 is about 64.4938198914.

The spelling of 268259 in words is "two hundred sixty-eight thousand, two hundred fifty-nine".