255615285 has 32 divisors (see below), whose sum is σ = 414927360. Its totient is φ = 134363648.

The previous prime is 255615253. The next prime is 255615287. The reversal of 255615285 is 582516552.

It is a cyclic number.

It is not a de Polignac number, because 255615285 - 2⁵ = 255615253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255615287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355156 + ... + 355874.

It is an arithmetic number, because the mean of its divisors is an integer number (12966480).

Almost surely, 2^255615285 is an apocalyptic number.

It is an amenable number.

255615285 is a deficient number, since it is larger than the sum of its proper divisors (159312075).

255615285 is a wasteful number, since it uses less digits than its factorization.

255615285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

The product of its digits is 120000, while the sum is 39.

The square root of 255615285 is about 15987.9731360795. The cubic root of 255615285 is about 634.6421899704.

The spelling of 255615285 in words is "two hundred fifty-five million, six hundred fifteen thousand, two hundred eighty-five".