83932591 has 2 divisors, whose sum is σ = 83932592. Its totient is φ = 83932590.

The previous prime is 83932571. The next prime is 83932601. The reversal of 83932591 is 19523938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83932591 - 2⁵ = 83932559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83932501) 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 as a sum of consecutive naturals, namely, 41966295 + 41966296.

It is an arithmetic number, because the mean of its divisors is an integer number (41966296).

Almost surely, 2^83932591 is an apocalyptic number.

83932591 is a deficient number, since it is larger than the sum of its proper divisors (1).

83932591 is an equidigital number, since it uses as much as digits as its factorization.

83932591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 83932591 is about 9161.4731893948. The cubic root of 83932591 is about 437.8347322385.

The spelling of 83932591 in words is "eighty-three million, nine hundred thirty-two thousand, five hundred ninety-one".