2509025 has 6 divisors (see below), whose sum is σ = 3111222. Its totient is φ = 2007200.

The previous prime is 2508971. The next prime is 2509027. The reversal of 2509025 is 5209052.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 2505889 = 56^2 + 1583^2 .

It is not a de Polignac number, because 2509025 - 2⁸ = 2508769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2509027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50156 + ... + 50205.

It is an arithmetic number, because the mean of its divisors is an integer number (518537).

2^2509025 is an apocalyptic number.

2509025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2509025 is a deficient number, since it is larger than the sum of its proper divisors (602197).

2509025 is a wasteful number, since it uses less digits than its factorization.

2509025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100371 (or 100366 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2509025 is about 1583.9902146162. The cubic root of 2509025 is about 135.8840021575.

The spelling of 2509025 in words is "two million, five hundred nine thousand, twenty-five".