264133285 has 8 divisors (see below), whose sum is σ = 341341560. Its totient is φ = 195052224.

The previous prime is 264133273. The next prime is 264133313. The reversal of 264133285 is 582331462.

It can be written as a sum of positive squares in 4 ways, for example, as 58583716 + 205549569 = 7654^2 + 14337^2 .

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 264133285 - 2⁵ = 264133253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264133285.

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, 2031730 + ... + 2031859.

It is an arithmetic number, because the mean of its divisors is an integer number (42667695).

Almost surely, 2^264133285 is an apocalyptic number.

It is an amenable number.

264133285 is a deficient number, since it is larger than the sum of its proper divisors (77208275).

264133285 is a wasteful number, since it uses less digits than its factorization.

264133285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063607.

The product of its digits is 34560, while the sum is 34.

The square root of 264133285 is about 16252.1778540601. The cubic root of 264133285 is about 641.6148064757.

The spelling of 264133285 in words is "two hundred sixty-four million, one hundred thirty-three thousand, two hundred eighty-five".