2597825 has 6 divisors (see below), whose sum is σ = 3221334. Its totient is φ = 2078240.

The previous prime is 2597809. The next prime is 2597857. The reversal of 2597825 is 5287952.

2597825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 15376 + 2582449 = 124^2 + 1607^2 .

It is not a de Polignac number, because 2597825 - 2⁴ = 2597809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51932 + ... + 51981.

It is an arithmetic number, because the mean of its divisors is an integer number (536889).

2^2597825 is an apocalyptic number.

2597825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2597825 is a deficient number, since it is larger than the sum of its proper divisors (623509).

2597825 is a wasteful number, since it uses less digits than its factorization.

2597825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103923 (or 103918 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 2597825 is about 1611.7769696828. The cubic root of 2597825 is about 137.4685327441.

The spelling of 2597825 in words is "two million, five hundred ninety-seven thousand, eight hundred twenty-five".