83613255 has 32 divisors (see below), whose sum is σ = 146499840. Its totient is φ = 40385280.

The previous prime is 83613247. The next prime is 83613311. The reversal of 83613255 is 55231638.

It is not a de Polignac number, because 83613255 - 2³ = 83613247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50836 + ... + 52454.

It is an arithmetic number, because the mean of its divisors is an integer number (4578120).

Almost surely, 2^83613255 is an apocalyptic number.

83613255 is a deficient number, since it is larger than the sum of its proper divisors (62886585).

83613255 is a wasteful number, since it uses less digits than its factorization.

83613255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its digits is 21600, while the sum is 33.

The square root of 83613255 is about 9144.0283792211. The cubic root of 83613255 is about 437.2787539839.

The spelling of 83613255 in words is "eighty-three million, six hundred thirteen thousand, two hundred fifty-five".