25253099452 has 12 divisors (see below), whose sum is σ = 50506198960. Its totient is φ = 10822756896.

The previous prime is 25253099449. The next prime is 25253099453. The reversal of 25253099452 is 25499035252.

25253099452 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253099453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450948177 + ... + 450948232.

Almost surely, 2^25253099452 is an apocalyptic number.

It is an amenable number.

25253099452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25253099452 is a wasteful number, since it uses less digits than its factorization.

25253099452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901896420 (or 901896418 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 25253099452 in words is "twenty-five billion, two hundred fifty-three million, ninety-nine thousand, four hundred fifty-two".