25000385300 has 72 divisors (see below), whose sum is σ = 62664114240. Its totient is φ = 8556275200.

The previous prime is 25000385281. The next prime is 25000385309. The reversal of 25000385300 is 358300052.

It is a self number, because there is not a number n which added to its sum of digits gives 25000385300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000385309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 649760 + ... + 687159.

It is an arithmetic number, because the mean of its divisors is an integer number (870334920).

Almost surely, 2^25000385300 is an apocalyptic number.

25000385300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25000385300 is an abundant number, since it is smaller than the sum of its proper divisors (37663728940).

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

25000385300 is a wasteful number, since it uses less digits than its factorization.

25000385300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336961 (or 1336954 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 25000385300 its reverse (358300052), we get a palindrome (25358685352).

The spelling of 25000385300 in words is "twenty-five billion, three hundred eighty-five thousand, three hundred".