489082585 has 4 divisors (see below), whose sum is σ = 586899108. Its totient is φ = 391266064.

The previous prime is 489082541. The next prime is 489082631. The reversal of 489082585 is 585280984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379587289 + 109495296 = 19483^2 + 10464^2 .

It is a cyclic number.

It is not a de Polignac number, because 489082585 - 2⁹ = 489082073 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48908254 + ... + 48908263.

It is an arithmetic number, because the mean of its divisors is an integer number (146724777).

Almost surely, 2^489082585 is an apocalyptic number.

It is an amenable number.

489082585 is a deficient number, since it is larger than the sum of its proper divisors (97816523).

489082585 is an equidigital number, since it uses as much as digits as its factorization.

489082585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97816522.

The product of its (nonzero) digits is 921600, while the sum is 49.

The square root of 489082585 is about 22115.2116200592. The cubic root of 489082585 is about 787.8811914508.

The spelling of 489082585 in words is "four hundred eighty-nine million, eighty-two thousand, five hundred eighty-five".