25306426025 has 12 divisors (see below), whose sum is σ = 31911834000. Its totient is φ = 19902001680.

The previous prime is 25306426003. The next prime is 25306426027. The reversal of 25306426025 is 52062460352.

It is not a de Polignac number, because 25306426025 - 2⁸ = 25306425769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25306426027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8576975 + ... + 8579924.

It is an arithmetic number, because the mean of its divisors is an integer number (2659319500).

Almost surely, 2^25306426025 is an apocalyptic number.

25306426025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25306426025 is a deficient number, since it is larger than the sum of its proper divisors (6605407975).

25306426025 is a wasteful number, since it uses less digits than its factorization.

25306426025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17156968 (or 17156963 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 25306426025 its reverse (52062460352), we get a palindrome (77368886377).

The spelling of 25306426025 in words is "twenty-five billion, three hundred six million, four hundred twenty-six thousand, twenty-five".