2500785 has 48 divisors (see below), whose sum is σ = 5256576. Its totient is φ = 1073664.

The previous prime is 2500783. The next prime is 2500807. The reversal of 2500785 is 5870052.

It is a happy number.

It is not a de Polignac number, because 2500785 - 2¹ = 2500783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5122 + ... + 5588.

It is an arithmetic number, because the mean of its divisors is an integer number (109512).

2^2500785 is an apocalyptic number.

It is an amenable number.

2500785 is an abundant number, since it is smaller than the sum of its proper divisors (2755791).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2500785 is a wasteful number, since it uses less digits than its factorization.

2500785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2500785 is about 1581.3870493968. The cubic root of 2500785 is about 135.7350847954.

The spelling of 2500785 in words is "two million, five hundred thousand, seven hundred eighty-five".