25150305025 has 12 divisors (see below), whose sum is σ = 31298973052. Its totient is φ = 20047602240.

The previous prime is 25150304903. The next prime is 25150305041. The reversal of 25150305025 is 52050305152.

It can be written as a sum of positive squares in 6 ways, for example, as 8714304 + 25141590721 = 2952^2 + 158561^2 .

It is not a de Polignac number, because 25150305025 - 2²⁷ = 25016087297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25150304984 and 25150305002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1808982 + ... + 1822831.

Almost surely, 2^25150305025 is an apocalyptic number.

25150305025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25150305025 is a deficient number, since it is larger than the sum of its proper divisors (6148668027).

25150305025 is a wasteful number, since it uses less digits than its factorization.

25150305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632100 (or 3632095 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 25150305025 in words is "twenty-five billion, one hundred fifty million, three hundred five thousand, twenty-five".