83181265 has 16 divisors (see below), whose sum is σ = 101424960. Its totient is φ = 65482560.

The previous prime is 83181253. The next prime is 83181299. The reversal of 83181265 is 56218138.

It is not a de Polignac number, because 83181265 - 2⁹ = 83180753 is a prime.

83181265 is a Rhonda number in base 10.

Its product of digits (11520) is a multiple of the sum of its prime divisors (1152).

It is a self number, because there is not a number n which added to its sum of digits gives 83181265.

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, 96406 + ... + 97264.

It is an arithmetic number, because the mean of its divisors is an integer number (6339060).

Almost surely, 2^83181265 is an apocalyptic number.

It is an amenable number.

83181265 is a deficient number, since it is larger than the sum of its proper divisors (18243695).

83181265 is a wasteful number, since it uses less digits than its factorization.

83181265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 11520, while the sum is 34.

The square root of 83181265 is about 9120.3763628482. The cubic root of 83181265 is about 436.5243827427.

The spelling of 83181265 in words is "eighty-three million, one hundred eighty-one thousand, two hundred sixty-five".