255995255 has 8 divisors (see below), whose sum is σ = 307672992. Its totient is φ = 204477088.

The previous prime is 255995237. The next prime is 255995263. The reversal of 255995255 is 552599552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255995255 - 2⁶ = 255995191 is a prime.

It is a Duffinian number.

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, 36332 + ... + 42801.

It is an arithmetic number, because the mean of its divisors is an integer number (38459124).

Almost surely, 2^255995255 is an apocalyptic number.

255995255 is a deficient number, since it is larger than the sum of its proper divisors (51677737).

255995255 is an equidigital number, since it uses as much as digits as its factorization.

255995255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79785.

The product of its digits is 1012500, while the sum is 47.

The square root of 255995255 is about 15999.8517180629. The cubic root of 255995255 is about 634.9564977328.

The spelling of 255995255 in words is "two hundred fifty-five million, nine hundred ninety-five thousand, two hundred fifty-five".