264065 has 4 divisors (see below), whose sum is σ = 316884. Its totient is φ = 211248.

The previous prime is 264059. The next prime is 264071. The reversal of 264065 is 560462.

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

It is an interprime number because it is at equal distance from previous prime (264059) and next prime (264071).

It can be written as a sum of positive squares in 2 ways, for example, as 26896 + 237169 = 164^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 264065 - 2¹⁶ = 198529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 264065.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 264065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26402 + ... + 26411.

It is an arithmetic number, because the mean of its divisors is an integer number (79221).

2²⁶⁴⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

264065 is a deficient number, since it is larger than the sum of its proper divisors (52819).

264065 is an equidigital number, since it uses as much as digits as its factorization.

264065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52818.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 264065 is about 513.8725522929. The cubic root of 264065 is about 64.1559510601.

The spelling of 264065 in words is "two hundred sixty-four thousand, sixty-five".