25250000252 has 24 divisors (see below), whose sum is σ = 44777577600. Its totient is φ = 12457001216.

The previous prime is 25250000233. The next prime is 25250000267. The reversal of 25250000252 is 25200005252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 96488 + ... + 244560.

It is an arithmetic number, because the mean of its divisors is an integer number (1865732400).

Almost surely, 2^25250000252 is an apocalyptic number.

It is an amenable number.

25250000252 is a deficient number, since it is larger than the sum of its proper divisors (19527577348).

25250000252 is a wasteful number, since it uses less digits than its factorization.

25250000252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148645 (or 148643 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

Subtracting from 25250000252 its reverse (25200005252), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 25250000252 in words is "twenty-five billion, two hundred fifty million, two hundred fifty-two", and thus it is an aban number.