255208613 has 16 divisors (see below), whose sum is σ = 288999360. Its totient is φ = 223238400.

The previous prime is 255208553. The next prime is 255208643. The reversal of 255208613 is 316802552.

It is not a de Polignac number, because 255208613 - 2⁶ = 255208549 is a prime.

It is a super-2 number, since 2×255208613² = 130262872298767538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255208613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255208643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104381 + ... + 106797.

It is an arithmetic number, because the mean of its divisors is an integer number (18062460).

Almost surely, 2^255208613 is an apocalyptic number.

It is an amenable number.

255208613 is a deficient number, since it is larger than the sum of its proper divisors (33790747).

255208613 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (255208612) it forms an eRAP, since the sums of their prime factors are consecutive (2787 and 2788).

255208613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 255208613 is about 15975.2500136931. The cubic root of 255208613 is about 634.3054492833.

The spelling of 255208613 in words is "two hundred fifty-five million, two hundred eight thousand, six hundred thirteen".