25253523544 has 16 divisors (see below), whose sum is σ = 47353826520. Its totient is φ = 12625836480.

The previous prime is 25253523539. The next prime is 25253523563. The reversal of 25253523544 is 44532535252.

It is a junction number, because it is equal to n+sod(n) for n = 25253523497 and 25253523506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8124 + ... + 224884.

Almost surely, 2^25253523544 is an apocalyptic number.

It is an amenable number.

25253523544 is a deficient number, since it is larger than the sum of its proper divisors (22100302976).

25253523544 is a wasteful number, since it uses less digits than its factorization.

25253523544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231330 (or 231326 counting only the distinct ones).

The product of its digits is 720000, while the sum is 40.

The spelling of 25253523544 in words is "twenty-five billion, two hundred fifty-three million, five hundred twenty-three thousand, five hundred forty-four".