264535 has 8 divisors (see below), whose sum is σ = 320256. Its totient is φ = 209760.

The previous prime is 264529. The next prime is 264553. The reversal of 264535 is 535462.

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

It is not a de Polignac number, because 264535 - 2³ = 264527 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 6² + 5⁴ + 4⁵ + 3⁴ + 5⁴ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817 + ... + 1093.

It is an arithmetic number, because the mean of its divisors is an integer number (40032).

2²⁶⁴⁵³⁵ is an apocalyptic number.

264535 is a deficient number, since it is larger than the sum of its proper divisors (55721).

264535 is a wasteful number, since it uses less digits than its factorization.

264535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its digits is 3600, while the sum is 25.

The square root of 264535 is about 514.3296608208. The cubic root of 264535 is about 64.1939914732.

Adding to 264535 its reverse (535462), we get a palindrome (799997).

The spelling of 264535 in words is "two hundred sixty-four thousand, five hundred thirty-five".