264259 has 4 divisors (see below), whose sum is σ = 265320. Its totient is φ = 263200.

The previous prime is 264221. The next prime is 264263. The reversal of 264259 is 952462.

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 264259 - 2¹⁷ = 133187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (66330).

2²⁶⁴²⁵⁹ is an apocalyptic number.

264259 is a deficient number, since it is larger than the sum of its proper divisors (1061).

264259 is an equidigital number, since it uses as much as digits as its factorization.

264259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

The product of its digits is 4320, while the sum is 28.

The square root of 264259 is about 514.0612803937. The cubic root of 264259 is about 64.1716583137.

It can be divided in two parts, 2642 and 59, that added together give a triangular number (2701 = T₇₃).

The spelling of 264259 in words is "two hundred sixty-four thousand, two hundred fifty-nine".