255008 has 24 divisors (see below), whose sum is σ = 541548. Its totient is φ = 117504.

The previous prime is 255007. The next prime is 255019. The reversal of 255008 is 800552.

It can be written as a sum of positive squares in 2 ways, for example, as 183184 + 71824 = 428^2 + 268^2 .

It is not an unprimeable number, because it can be changed into a prime (255007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 722.

2²⁵⁵⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270774).

255008 is an abundant number, since it is smaller than the sum of its proper divisors (286540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255008 is a wasteful number, since it uses less digits than its factorization.

255008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 255008 is about 504.9831680363. The cubic root of 255008 is about 63.4139201921.

The spelling of 255008 in words is "two hundred fifty-five thousand, eight".