255131996 has 12 divisors (see below), whose sum is σ = 510264048. Its totient is φ = 109342272.

The previous prime is 255131993. The next prime is 255132011. The reversal of 255131996 is 699131552.

It is a happy number.

255131996 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255131993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4555901 + ... + 4555956.

It is an arithmetic number, because the mean of its divisors is an integer number (42522004).

Almost surely, 2^255131996 is an apocalyptic number.

It is an amenable number.

255131996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255131996 is a wasteful number, since it uses less digits than its factorization.

255131996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111868 (or 9111866 counting only the distinct ones).

The product of its digits is 72900, while the sum is 41.

The square root of 255131996 is about 15972.8518430492. The cubic root of 255131996 is about 634.2419673026.

The spelling of 255131996 in words is "two hundred fifty-five million, one hundred thirty-one thousand, nine hundred ninety-six".