25325305125 has 16 divisors (see below), whose sum is σ = 42141308352. Its totient is φ = 13506829200.

The previous prime is 25325305123. The next prime is 25325305139. The reversal of 25325305125 is 52150352352.

It is not a de Polignac number, because 25325305125 - 2¹ = 25325305123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25325305123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33766699 + ... + 33767448.

It is an arithmetic number, because the mean of its divisors is an integer number (2633831772).

Almost surely, 2^25325305125 is an apocalyptic number.

25325305125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25325305125 is a deficient number, since it is larger than the sum of its proper divisors (16816003227).

25325305125 is an equidigital number, since it uses as much as digits as its factorization.

25325305125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67534165 (or 67534155 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 25325305125 its reverse (52150352352), we get a palindrome (77475657477).

The spelling of 25325305125 in words is "twenty-five billion, three hundred twenty-five million, three hundred five thousand, one hundred twenty-five".