2825685 has 20 divisors (see below), whose sum is σ = 5066028. Its totient is φ = 1506816.

The previous prime is 2825671. The next prime is 2825701. The reversal of 2825685 is 5865282.

It can be written as a sum of positive squares in 2 ways, for example, as 777924 + 2047761 = 882^2 + 1431^2 .

It is not a de Polignac number, because 2825685 - 2⁸ = 2825429 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 19 ways as a sum of consecutive naturals, for example, 3084 + ... + 3893.

2^2825685 is an apocalyptic number.

It is an amenable number.

2825685 is a deficient number, since it is larger than the sum of its proper divisors (2240343).

2825685 is an equidigital number, since it uses as much as digits as its factorization.

2825685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994 (or 6985 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2825685 is about 1680.9773942561. The cubic root of 2825685 is about 141.3756393810.

The spelling of 2825685 in words is "two million, eight hundred twenty-five thousand, six hundred eighty-five".