265269 has 4 divisors (see below), whose sum is σ = 353696. Its totient is φ = 176844.

The previous prime is 265261. The next prime is 265271. The reversal of 265269 is 962562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 265269 - 2³ = 265261 is a prime.

It is a super-2 number, since 2×265269² = 140735284722, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265261) 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 3 ways as a sum of consecutive naturals, for example, 44209 + ... + 44214.

It is an arithmetic number, because the mean of its divisors is an integer number (88424).

2²⁶⁵²⁶⁹ is an apocalyptic number.

It is an amenable number.

265269 is a deficient number, since it is larger than the sum of its proper divisors (88427).

265269 is an equidigital number, since it uses as much as digits as its factorization.

265269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88426.

The product of its digits is 6480, while the sum is 30.

The square root of 265269 is about 515.0427166750. The cubic root of 265269 is about 64.2533092413.

The spelling of 265269 in words is "two hundred sixty-five thousand, two hundred sixty-nine".