80458591 has 2 divisors, whose sum is σ = 80458592. Its totient is φ = 80458590.

The previous prime is 80458589. The next prime is 80458607. The reversal of 80458591 is 19585408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80458591 - 2¹ = 80458589 is a prime.

Together with 80458589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80458571) 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 as a sum of consecutive naturals, namely, 40229295 + 40229296.

It is an arithmetic number, because the mean of its divisors is an integer number (40229296).

Almost surely, 2^80458591 is an apocalyptic number.

80458591 is a deficient number, since it is larger than the sum of its proper divisors (1).

80458591 is an equidigital number, since it uses as much as digits as its factorization.

80458591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 80458591 is about 8969.8712922762. The cubic root of 80458591 is about 431.7087067344.

It can be divided in two parts, 804 and 58591, that added together give a palindrome (59395).

The spelling of 80458591 in words is "eighty million, four hundred fifty-eight thousand, five hundred ninety-one".