255264673 has 8 divisors (see below), whose sum is σ = 272958120. Its totient is φ = 237868800.

The previous prime is 255264643. The next prime is 255264679. The reversal of 255264673 is 376462552.

It can be written as a sum of positive squares in 4 ways, for example, as 152201569 + 103063104 = 12337^2 + 10152^2 .

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 255264673 - 2²⁵ = 221710241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255264679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72618 + ... + 76051.

It is an arithmetic number, because the mean of its divisors is an integer number (34119765).

Almost surely, 2^255264673 is an apocalyptic number.

It is an amenable number.

255264673 is a deficient number, since it is larger than the sum of its proper divisors (17693447).

255264673 is a wasteful number, since it uses less digits than its factorization.

255264673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148787.

The product of its digits is 302400, while the sum is 40.

The square root of 255264673 is about 15977.0045064774. The cubic root of 255264673 is about 634.3518904537.

The spelling of 255264673 in words is "two hundred fifty-five million, two hundred sixty-four thousand, six hundred seventy-three".