25305025000 has 48 divisors (see below), whose sum is σ = 59304915180. Its totient is φ = 10122000000.

The previous prime is 25305024991. The next prime is 25305025007. The reversal of 25305025000 is 52050352.

It can be written as a sum of positive squares in 6 ways, for example, as 1747072804 + 23557952196 = 41798^2 + 153486^2 .

It is not an unprimeable number, because it can be changed into a prime (25305025007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481101 + ... + 531100.

Almost surely, 2^25305025000 is an apocalyptic number.

25305025000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25305025000 is an abundant number, since it is smaller than the sum of its proper divisors (33999890180).

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

25305025000 is an equidigital number, since it uses as much as digits as its factorization.

25305025000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012232 (or 1012208 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

Adding to 25305025000 its reverse (52050352), we get a palindrome (25357075352).

The spelling of 25305025000 in words is "twenty-five billion, three hundred five million, twenty-five thousand".