255311000 has 64 divisors (see below), whose sum is σ = 682793280. Its totient is φ = 87532800.

The previous prime is 255310987. The next prime is 255311051. The reversal of 255311000 is 113552.

It is a self number, because there is not a number n which added to its sum of digits gives 255311000.

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 15 ways as a sum of consecutive naturals, for example, 11237 + ... + 25236.

It is an arithmetic number, because the mean of its divisors is an integer number (10668645).

Almost surely, 2^255311000 is an apocalyptic number.

255311000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255311000 is an abundant number, since it is smaller than the sum of its proper divisors (427482280).

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

255311000 is a wasteful number, since it uses less digits than its factorization.

255311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36501 (or 36487 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 255311000 is about 15978.4542431363. The cubic root of 255311000 is about 634.3902634910.

Adding to 255311000 its reverse (113552), we get a palindrome (255424552).

The spelling of 255311000 in words is "two hundred fifty-five million, three hundred eleven thousand".