83725931 has 8 divisors (see below), whose sum is σ = 86571600. Its totient is φ = 80911008.

The previous prime is 83725921. The next prime is 83725937. The reversal of 83725931 is 13952738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-83725931 is a prime.

It is a super-2 number, since 2×83725931² = 14020063043633522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83725937) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2081 + ... + 13106.

It is an arithmetic number, because the mean of its divisors is an integer number (10821450).

Almost surely, 2^83725931 is an apocalyptic number.

83725931 is a deficient number, since it is larger than the sum of its proper divisors (2845669).

83725931 is a wasteful number, since it uses less digits than its factorization.

83725931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15373.

The product of its digits is 45360, while the sum is 38.

The square root of 83725931 is about 9150.1874844180. The cubic root of 83725931 is about 437.4750893027.

The spelling of 83725931 in words is "eighty-three million, seven hundred twenty-five thousand, nine hundred thirty-one".