25253545308 has 24 divisors (see below), whose sum is σ = 59134644240. Its totient is φ = 8387890560.

The previous prime is 25253545301. The next prime is 25253545309. The reversal of 25253545308 is 80354535252.

It is a self number, because there is not a number n which added to its sum of digits gives 25253545308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253545301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741223 + ... + 3747966.

It is an arithmetic number, because the mean of its divisors is an integer number (2463943510).

Almost surely, 2^25253545308 is an apocalyptic number.

It is an amenable number.

25253545308 is an abundant number, since it is smaller than the sum of its proper divisors (33881098932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25253545308 is a wasteful number, since it uses less digits than its factorization.

25253545308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489477 (or 7489475 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 25253545308 in words is "twenty-five billion, two hundred fifty-three million, five hundred forty-five thousand, three hundred eight".