255281656 has 32 divisors (see below), whose sum is σ = 579212640. Its totient is φ = 102970368.

The previous prime is 255281647. The next prime is 255281659. The reversal of 255281656 is 656182552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255281659) 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 7 ways as a sum of consecutive naturals, for example, 133125 + ... + 135028.

It is an arithmetic number, because the mean of its divisors is an integer number (18100395).

Almost surely, 2^255281656 is an apocalyptic number.

It is an amenable number.

255281656 is an abundant number, since it is smaller than the sum of its proper divisors (323930984).

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

255281656 is a wasteful number, since it uses less digits than its factorization.

255281656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268183 (or 268179 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 255281656 is about 15977.5359802443. The cubic root of 255281656 is about 634.3659581521.

The spelling of 255281656 in words is "two hundred fifty-five million, two hundred eighty-one thousand, six hundred fifty-six".