25949125 has 8 divisors (see below), whose sum is σ = 32384664. Its totient is φ = 20759200.

The previous prime is 25949101. The next prime is 25949141. The reversal of 25949125 is 52194952.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 25948836 = 17^2 + 5094^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25949125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103672 + ... + 103921.

It is an arithmetic number, because the mean of its divisors is an integer number (4048083).

Almost surely, 2^25949125 is an apocalyptic number.

25949125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25949125 is a deficient number, since it is larger than the sum of its proper divisors (6435539).

25949125 is an equidigital number, since it uses as much as digits as its factorization.

25949125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207608 (or 207598 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 25949125 is about 5094.0283666269. The cubic root of 25949125 is about 296.0562537655.

The spelling of 25949125 in words is "twenty-five million, nine hundred forty-nine thousand, one hundred twenty-five".