83271085 has 4 divisors (see below), whose sum is σ = 99925308. Its totient is φ = 66616864.

The previous prime is 83271079. The next prime is 83271101. The reversal of 83271085 is 58017238.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20766249 + 62504836 = 4557^2 + 7906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83271085 is a prime.

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 83271085.

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 3 ways as a sum of consecutive naturals, for example, 8327104 + ... + 8327113.

It is an arithmetic number, because the mean of its divisors is an integer number (24981327).

Almost surely, 2^83271085 is an apocalyptic number.

It is an amenable number.

83271085 is a deficient number, since it is larger than the sum of its proper divisors (16654223).

83271085 is a wasteful number, since it uses less digits than its factorization.

83271085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16654222.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 83271085 is about 9125.2991731778. The cubic root of 83271085 is about 436.6814474210.

It can be divided in two parts, 832 and 71085, that added together give a palindrome (71917).

The spelling of 83271085 in words is "eighty-three million, two hundred seventy-one thousand, eighty-five".