25253684 has 12 divisors (see below), whose sum is σ = 45388644. Its totient is φ = 12285504.

The previous prime is 25253671. The next prime is 25253689. The reversal of 25253684 is 48635252.

It can be written as a sum of positive squares in 2 ways, for example, as 24403600 + 850084 = 4940^2 + 922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253689) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85169 + ... + 85464.

It is an arithmetic number, because the mean of its divisors is an integer number (3782387).

Almost surely, 2^25253684 is an apocalyptic number.

It is an amenable number.

25253684 is a deficient number, since it is larger than the sum of its proper divisors (20134960).

25253684 is a wasteful number, since it uses less digits than its factorization.

25253684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170674 (or 170672 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 25253684 is about 5025.3043688915. The cubic root of 25253684 is about 293.3874825425.

The spelling of 25253684 in words is "twenty-five million, two hundred fifty-three thousand, six hundred eighty-four".