264865255 has 8 divisors (see below), whose sum is σ = 317926224. Its totient is φ = 211833600.

The previous prime is 264865247. The next prime is 264865291. The reversal of 264865255 is 552568462.

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

It is not a de Polignac number, because 264865255 - 2³ = 264865247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28375 + ... + 36535.

It is an arithmetic number, because the mean of its divisors is an integer number (39740778).

Almost surely, 2^264865255 is an apocalyptic number.

264865255 is a deficient number, since it is larger than the sum of its proper divisors (53060969).

264865255 is an equidigital number, since it uses as much as digits as its factorization.

264865255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14657.

The product of its digits is 576000, while the sum is 43.

The square root of 264865255 is about 16274.6814100922. The cubic root of 264865255 is about 642.2069439258.

The spelling of 264865255 in words is "two hundred sixty-four million, eight hundred sixty-five thousand, two hundred fifty-five".