83032591 has 2 divisors, whose sum is σ = 83032592. Its totient is φ = 83032590.

The previous prime is 83032577. The next prime is 83032657. The reversal of 83032591 is 19523038.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83032591 - 2⁵ = 83032559 is a prime.

It is a super-2 number, since 2×83032591² = 13788822336346562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83032501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41516295 + 41516296.

It is an arithmetic number, because the mean of its divisors is an integer number (41516296).

Almost surely, 2^83032591 is an apocalyptic number.

83032591 is a deficient number, since it is larger than the sum of its proper divisors (1).

83032591 is an equidigital number, since it uses as much as digits as its factorization.

83032591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 83032591 is about 9112.2220670921. Note that the first 3 decimals coincide. The cubic root of 83032591 is about 436.2641537486.

The spelling of 83032591 in words is "eighty-three million, thirty-two thousand, five hundred ninety-one".