25394725 has 12 divisors (see below), whose sum is σ = 32223136. Its totient is φ = 19842480.

The previous prime is 25394723. The next prime is 25394741. The reversal of 25394725 is 52749352.

It is not a de Polignac number, because 25394725 - 2¹ = 25394723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25394723) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10737 + ... + 12886.

Almost surely, 2^25394725 is an apocalyptic number.

25394725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25394725 is a deficient number, since it is larger than the sum of its proper divisors (6828411).

25394725 is a wasteful number, since it uses less digits than its factorization.

25394725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676 (or 23671 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 25394725 is about 5039.3179101938. The cubic root of 25394725 is about 293.9326553757.

The spelling of 25394725 in words is "twenty-five million, three hundred ninety-four thousand, seven hundred twenty-five".