2505625 has 20 divisors (see below), whose sum is σ = 3311440. Its totient is φ = 1890000.

The previous prime is 2505623. The next prime is 2505631. The reversal of 2505625 is 5265052.

It is not a de Polignac number, because 2505625 - 2¹ = 2505623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2505625.

It is not an unprimeable number, because it can be changed into a prime (2505623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11770 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (165572).

2^2505625 is an apocalyptic number.

2505625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505625 is a deficient number, since it is larger than the sum of its proper divisors (805815).

2505625 is an equidigital number, since it uses as much as digits as its factorization.

2505625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2505625 is about 1582.9166118277. The cubic root of 2505625 is about 135.8225952427.

The spelling of 2505625 in words is "two million, five hundred five thousand, six hundred twenty-five".