83275813 has 4 divisors (see below), whose sum is σ = 84100428. Its totient is φ = 82451200.

The previous prime is 83275807. The next prime is 83275867. The reversal of 83275813 is 31857238.

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 82319329 + 956484 = 9073^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 83275813 - 2⁵ = 83275781 is a prime.

It is a super-2 number, since 2×83275813² = 13869722061621938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83275013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412156 + ... + 412357.

It is an arithmetic number, because the mean of its divisors is an integer number (21025107).

Almost surely, 2^83275813 is an apocalyptic number.

It is an amenable number.

83275813 is a deficient number, since it is larger than the sum of its proper divisors (824615).

83275813 is a wasteful number, since it uses less digits than its factorization.

83275813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824614.

The product of its digits is 40320, while the sum is 37.

The square root of 83275813 is about 9125.5582295003. The cubic root of 83275813 is about 436.6897119577.

The spelling of 83275813 in words is "eighty-three million, two hundred seventy-five thousand, eight hundred thirteen".