265259 has 8 divisors (see below), whose sum is σ = 291840. Its totient is φ = 239976.

The previous prime is 265249. The next prime is 265261. The reversal of 265259 is 952562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265259 - 2⁸ = 265003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 740.

It is an arithmetic number, because the mean of its divisors is an integer number (36480).

2²⁶⁵²⁵⁹ is an apocalyptic number.

265259 is a deficient number, since it is larger than the sum of its proper divisors (26581).

265259 is a wasteful number, since it uses less digits than its factorization.

265259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

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

The square root of 265259 is about 515.0330086509. The cubic root of 265259 is about 64.2525018330.

It can be divided in two parts, 265 and 259, that multiplied together give a triangular number (68635 = T₃₇₀).

The spelling of 265259 in words is "two hundred sixty-five thousand, two hundred fifty-nine".