2785725 has 24 divisors (see below), whose sum is σ = 5118720. Its totient is φ = 1485360.

The previous prime is 2785721. The next prime is 2785751. The reversal of 2785725 is 5275872.

2785725 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 2785725 - 2² = 2785721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2785725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785721) 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 23 ways as a sum of consecutive naturals, for example, 1389 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (213280).

2^2785725 is an apocalyptic number.

2785725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2785725 is a deficient number, since it is larger than the sum of its proper divisors (2332995).

2785725 is a wasteful number, since it uses less digits than its factorization.

2785725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4135 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 2785725 is about 1669.0491304932. The cubic root of 2785725 is about 140.7060421753.

The spelling of 2785725 in words is "two million, seven hundred eighty-five thousand, seven hundred twenty-five".