255168259 has 4 divisors (see below), whose sum is σ = 256593960. Its totient is φ = 253742560.

The previous prime is 255168257. The next prime is 255168293. The reversal of 255168259 is 952861552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255168259 - 2¹ = 255168257 is a prime.

It is a super-2 number, since 2×255168259² = 130221680802182162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255168257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712582 + ... + 712939.

It is an arithmetic number, because the mean of its divisors is an integer number (64148490).

Almost surely, 2^255168259 is an apocalyptic number.

255168259 is a deficient number, since it is larger than the sum of its proper divisors (1425701).

255168259 is a wasteful number, since it uses less digits than its factorization.

255168259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425700.

The product of its digits is 216000, while the sum is 43.

The square root of 255168259 is about 15973.9869475344. The cubic root of 255168259 is about 634.2720150520.

The spelling of 255168259 in words is "two hundred fifty-five million, one hundred sixty-eight thousand, two hundred fifty-nine".