83031249 has 16 divisors (see below), whose sum is σ = 126783360. Its totient is φ = 47349120.

The previous prime is 83031239. The next prime is 83031253. The reversal of 83031249 is 94213038.

It is not a de Polignac number, because 83031249 - 2⁵ = 83031217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83031209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7147 + ... + 14735.

It is an arithmetic number, because the mean of its divisors is an integer number (7923960).

Almost surely, 2^83031249 is an apocalyptic number.

It is an amenable number.

83031249 is a deficient number, since it is larger than the sum of its proper divisors (43752111).

83031249 is a wasteful number, since it uses less digits than its factorization.

83031249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 83031249 is about 9112.1484294320. The cubic root of 83031249 is about 436.2618033878.

The spelling of 83031249 in words is "eighty-three million, thirty-one thousand, two hundred forty-nine".