83539331 has 4 divisors (see below), whose sum is σ = 83935464. Its totient is φ = 83143200.

The previous prime is 83539321. The next prime is 83539363. The reversal of 83539331 is 13393538.

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

It is a cyclic number.

It is not a de Polignac number, because 83539331 - 2²⁶ = 16430467 is a prime.

It is a super-2 number, since 2×83539331² = 13957639647855122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83539291 and 83539300.

It is not an unprimeable number, because it can be changed into a prime (83539321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197750 + ... + 198171.

It is an arithmetic number, because the mean of its divisors is an integer number (20983866).

Almost surely, 2^83539331 is an apocalyptic number.

83539331 is a deficient number, since it is larger than the sum of its proper divisors (396133).

83539331 is a wasteful number, since it uses less digits than its factorization.

83539331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396132.

The product of its digits is 29160, while the sum is 35.

The square root of 83539331 is about 9139.9852844520. The cubic root of 83539331 is about 437.1498472862.

The spelling of 83539331 in words is "eighty-three million, five hundred thirty-nine thousand, three hundred thirty-one".