2685825 has 48 divisors (see below), whose sum is σ = 5178240. Its totient is φ = 1362240.

The previous prime is 2685817. The next prime is 2685827. The reversal of 2685825 is 5285862.

2685825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2685825 - 2³ = 2685817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2685825.

It is not an unprimeable number, because it can be changed into a prime (2685827) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 15439 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (107880).

2^2685825 is an apocalyptic number.

2685825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2685825 is a deficient number, since it is larger than the sum of its proper divisors (2492415).

2685825 is a wasteful number, since it uses less digits than its factorization.

2685825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 204 counting only the distinct ones).

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

The square root of 2685825 is about 1638.8486812394. The cubic root of 2685825 is about 139.0035539005.

The spelling of 2685825 in words is "two million, six hundred eighty-five thousand, eight hundred twenty-five".