6442585 has 8 divisors (see below), whose sum is σ = 7744896. Its totient is φ = 5144880.

The previous prime is 6442573. The next prime is 6442591. The reversal of 6442585 is 5852446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6442585 - 2¹¹ = 6440537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6442585.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (968112).

Almost surely, 2^6442585 is an apocalyptic number.

It is an amenable number.

6442585 is a deficient number, since it is larger than the sum of its proper divisors (1302311).

6442585 is a wasteful number, since it uses less digits than its factorization.

6442585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its digits is 38400, while the sum is 34.

The square root of 6442585 is about 2538.2247733406. The cubic root of 6442585 is about 186.0744393147.

The spelling of 6442585 in words is "six million, four hundred forty-two thousand, five hundred eighty-five".