2505225 has 12 divisors (see below), whose sum is σ = 4142096. Its totient is φ = 1336080.

The previous prime is 2505193. The next prime is 2505227. The reversal of 2505225 is 5225052.

It is not a de Polignac number, because 2505225 - 2⁵ = 2505193 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2505227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16627 + ... + 16776.

2^2505225 is an apocalyptic number.

2505225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505225 is a deficient number, since it is larger than the sum of its proper divisors (1636871).

2505225 is a wasteful number, since it uses less digits than its factorization.

2505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33416 (or 33411 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2505225 is about 1582.7902577411. The cubic root of 2505225 is about 135.8153672484.

The spelling of 2505225 in words is "two million, five hundred five thousand, two hundred twenty-five".