255611256 has 32 divisors (see below), whose sum is σ = 672662400. Its totient is φ = 80719200.

The previous prime is 255611233. The next prime is 255611267. The reversal of 255611256 is 652116552.

It is a super-2 number, since 2×255611256² = 130674228387795072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279820 + ... + 280731.

It is an arithmetic number, because the mean of its divisors is an integer number (21020700).

Almost surely, 2^255611256 is an apocalyptic number.

It is an amenable number.

255611256 is an abundant number, since it is smaller than the sum of its proper divisors (417051144).

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

255611256 is a wasteful number, since it uses less digits than its factorization.

255611256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560579 (or 560575 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 255611256 is about 15987.8471346207. The cubic root of 255611256 is about 634.6388555495.

The spelling of 255611256 in words is "two hundred fifty-five million, six hundred eleven thousand, two hundred fifty-six".