8485591 has 2 divisors, whose sum is σ = 8485592. Its totient is φ = 8485590.

The previous prime is 8485583. The next prime is 8485613. The reversal of 8485591 is 1955848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8485591 - 2³ = 8485583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8485511) 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, 4242795 + 4242796.

It is an arithmetic number, because the mean of its divisors is an integer number (4242796).

Almost surely, 2^8485591 is an apocalyptic number.

8485591 is a deficient number, since it is larger than the sum of its proper divisors (1).

8485591 is an equidigital number, since it uses as much as digits as its factorization.

8485591 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8485591 is about 2913.0037761733. The cubic root of 8485591 is about 203.9673711110.

The spelling of 8485591 in words is "eight million, four hundred eighty-five thousand, five hundred ninety-one".