255831116 has 12 divisors (see below), whose sum is σ = 467170032. Its totient is φ = 122353968.

The previous prime is 255831089. The next prime is 255831119. The reversal of 255831116 is 611138552.

It is not an unprimeable number, because it can be changed into a prime (255831119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1390295 + ... + 1390478.

It is an arithmetic number, because the mean of its divisors is an integer number (38930836).

Almost surely, 2^255831116 is an apocalyptic number.

It is an amenable number.

255831116 is a deficient number, since it is larger than the sum of its proper divisors (211338916).

255831116 is a wasteful number, since it uses less digits than its factorization.

255831116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780800 (or 2780798 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 255831116 is about 15994.7215042963. The cubic root of 255831116 is about 634.8207616136.

Adding to 255831116 its reverse (611138552), we get a palindrome (866969668).

The spelling of 255831116 in words is "two hundred fifty-five million, eight hundred thirty-one thousand, one hundred sixteen".