25256925 has 18 divisors (see below), whose sum is σ = 45238362. Its totient is φ = 13470240.

The previous prime is 25256899. The next prime is 25256927. The reversal of 25256925 is 52965252.

It can be written as a sum of positive squares in 3 ways, for example, as 66564 + 25190361 = 258^2 + 5019^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25256925 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 25256925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25256927) 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 17 ways as a sum of consecutive naturals, for example, 55902 + ... + 56351.

Almost surely, 2^25256925 is an apocalyptic number.

25256925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25256925 is a deficient number, since it is larger than the sum of its proper divisors (19981437).

25256925 is a wasteful number, since it uses less digits than its factorization.

25256925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112269 (or 112261 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 25256925 is about 5025.6268265760. The cubic root of 25256925 is about 293.4000328983.

The spelling of 25256925 in words is "twenty-five million, two hundred fifty-six thousand, nine hundred twenty-five".