2585685 has 16 divisors (see below), whose sum is σ = 4161024. Its totient is φ = 1371072.

The previous prime is 2585659. The next prime is 2585707. The reversal of 2585685 is 5865852.

It is not a de Polignac number, because 2585685 - 2¹⁰ = 2584661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2959 + ... + 3731.

It is an arithmetic number, because the mean of its divisors is an integer number (260064).

2^2585685 is an apocalyptic number.

It is an amenable number.

2585685 is a deficient number, since it is larger than the sum of its proper divisors (1575339).

2585685 is a wasteful number, since it uses less digits than its factorization.

2585685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its digits is 96000, while the sum is 39.

The square root of 2585685 is about 1608.0065298375. The cubic root of 2585685 is about 137.2540617442.

The spelling of 2585685 in words is "two million, five hundred eighty-five thousand, six hundred eighty-five".