25013321300 has 72 divisors (see below), whose sum is σ = 60047531712. Its totient is φ = 8967616000.

The previous prime is 25013321279. The next prime is 25013321441. The reversal of 25013321300 is 312331052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82037 + ... + 238236.

It is an arithmetic number, because the mean of its divisors is an integer number (833993496).

Almost surely, 2^25013321300 is an apocalyptic number.

25013321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25013321300 is an abundant number, since it is smaller than the sum of its proper divisors (35034210412).

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

25013321300 is a wasteful number, since it uses less digits than its factorization.

25013321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320369 (or 320362 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 25013321300 its reverse (312331052), we get a palindrome (25325652352).

The spelling of 25013321300 in words is "twenty-five billion, thirteen million, three hundred twenty-one thousand, three hundred".