25300030025 has 6 divisors (see below), whose sum is σ = 31372037262. Its totient is φ = 20240024000.

The previous prime is 25300029967. The next prime is 25300030033. The reversal of 25300030025 is 52003000352.

It can be written as a sum of positive squares in 3 ways, for example, as 4484177296 + 20815852729 = 66964^2 + 144277^2 .

It is not a de Polignac number, because 25300030025 - 2¹⁶ = 25299964489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25300029979 and 25300030006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506000576 + ... + 506000625.

It is an arithmetic number, because the mean of its divisors is an integer number (5228672877).

Almost surely, 2^25300030025 is an apocalyptic number.

25300030025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25300030025 is a deficient number, since it is larger than the sum of its proper divisors (6072007237).

25300030025 is a wasteful number, since it uses less digits than its factorization.

25300030025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012001211 (or 1012001206 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

Adding to 25300030025 its reverse (52003000352), we get a palindrome (77303030377).

The spelling of 25300030025 in words is "twenty-five billion, three hundred million, thirty thousand, twenty-five".