2497525 has 6 divisors (see below), whose sum is σ = 3096962. Its totient is φ = 1998000.

The previous prime is 2497513. The next prime is 2497541. The reversal of 2497525 is 5257942.

It can be written as a sum of positive squares in 3 ways, for example, as 707281 + 1790244 = 841^2 + 1338^2 .

It is not a de Polignac number, because 2497525 - 2⁹ = 2497013 is a prime.

It is a super-2 number, since 2×2497525² = 12475262251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49926 + ... + 49975.

2^2497525 is an apocalyptic number.

2497525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2497525 is a deficient number, since it is larger than the sum of its proper divisors (599437).

2497525 is an equidigital number, since it uses as much as digits as its factorization.

2497525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99911 (or 99906 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 2497525 is about 1580.3559725581. The cubic root of 2497525 is about 135.6760781509.

The spelling of 2497525 in words is "two million, four hundred ninety-seven thousand, five hundred twenty-five".