2499025 has 6 divisors (see below), whose sum is σ = 3098822. Its totient is φ = 1999200.

The previous prime is 2499023. The next prime is 2499041. The reversal of 2499025 is 5209942.

It can be written as a sum of positive squares in 3 ways, for example, as 40401 + 2458624 = 201^2 + 1568^2 .

It is not a de Polignac number, because 2499025 - 2¹ = 2499023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2499023) 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, 49956 + ... + 50005.

2^2499025 is an apocalyptic number.

2499025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2499025 is a deficient number, since it is larger than the sum of its proper divisors (599797).

2499025 is an equidigital number, since it uses as much as digits as its factorization.

2499025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99971 (or 99966 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2499025 is about 1580.8304779451. The cubic root of 2499025 is about 135.7032348211.

The spelling of 2499025 in words is "two million, four hundred ninety-nine thousand, twenty-five".