264533507 has 12 divisors (see below), whose sum is σ = 310152960. Its totient is φ = 224952336.

The previous prime is 264533473. The next prime is 264533513. The reversal of 264533507 is 705335462.

264533507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264533507 - 2²⁰ = 263484931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264533537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15032 + ... + 27477.

It is an arithmetic number, because the mean of its divisors is an integer number (25846080).

Almost surely, 2^264533507 is an apocalyptic number.

264533507 is a deficient number, since it is larger than the sum of its proper divisors (45619453).

264533507 is a wasteful number, since it uses less digits than its factorization.

264533507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42650 (or 42643 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 264533507 is about 16264.4860662734. The cubic root of 264533507 is about 641.9387070556.

Adding to 264533507 its reverse (705335462), we get a palindrome (969868969).

The spelling of 264533507 in words is "two hundred sixty-four million, five hundred thirty-three thousand, five hundred seven".