83271265 has 16 divisors (see below), whose sum is σ = 124583040. Its totient is φ = 51909120.

The previous prime is 83271257. The next prime is 83271289. The reversal of 83271265 is 56217238.

It is a happy number.

It is not a de Polignac number, because 83271265 - 2³ = 83271257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83271265.

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, 107760 + ... + 108529.

It is an arithmetic number, because the mean of its divisors is an integer number (7786440).

Almost surely, 2^83271265 is an apocalyptic number.

It is an amenable number.

83271265 is a deficient number, since it is larger than the sum of its proper divisors (41311775).

83271265 is a wasteful number, since it uses less digits than its factorization.

83271265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216312.

The product of its digits is 20160, while the sum is 34.

The square root of 83271265 is about 9125.3090358628. The cubic root of 83271265 is about 436.6817620664.

The spelling of 83271265 in words is "eighty-three million, two hundred seventy-one thousand, two hundred sixty-five".