255699255 has 16 divisors (see below), whose sum is σ = 467564544. Its totient is φ = 116891040.

The previous prime is 255699233. The next prime is 255699263. The reversal of 255699255 is 552996552.

It is not a de Polignac number, because 255699255 - 2⁷ = 255699127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217511 + ... + 1217720.

It is an arithmetic number, because the mean of its divisors is an integer number (29222784).

Almost surely, 2^255699255 is an apocalyptic number.

255699255 is a deficient number, since it is larger than the sum of its proper divisors (211865289).

255699255 is a wasteful number, since it uses less digits than its factorization.

255699255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435246.

The product of its digits is 1215000, while the sum is 48.

The square root of 255699255 is about 15990.5989568871. The cubic root of 255699255 is about 634.7116759956.

The spelling of 255699255 in words is "two hundred fifty-five million, six hundred ninety-nine thousand, two hundred fifty-five".