25012452000 has 192 divisors, whose sum is σ = 82152016128. Its totient is φ = 6652800000.

The previous prime is 25012451983. The next prime is 25012452001. The reversal of 25012452000 is 25421052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25012452001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5049525 + ... + 5054475.

It is an arithmetic number, because the mean of its divisors is an integer number (427875084).

Almost surely, 2^25012452000 is an apocalyptic number.

25012452000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25012452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41076008064).

25012452000 is an abundant number, since it is smaller than the sum of its proper divisors (57139564128).

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

25012452000 is a wasteful number, since it uses less digits than its factorization.

25012452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400 (or 5382 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 25012452000 its reverse (25421052), we get a palindrome (25037873052).

The spelling of 25012452000 in words is "twenty-five billion, twelve million, four hundred fifty-two thousand".