25324425243 has 12 divisors (see below), whose sum is σ = 39393550560. Its totient is φ = 15584261616.

The previous prime is 25324425239. The next prime is 25324425257. The reversal of 25324425243 is 34252442352.

It is not a de Polignac number, because 25324425243 - 2² = 25324425239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25324425198 and 25324425207.

It is not an unprimeable number, because it can be changed into a prime (25324425263) 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, 108223923 + ... + 108224156.

It is an arithmetic number, because the mean of its divisors is an integer number (3282795880).

Almost surely, 2^25324425243 is an apocalyptic number.

25324425243 is a deficient number, since it is larger than the sum of its proper divisors (14069125317).

25324425243 is a wasteful number, since it uses less digits than its factorization.

25324425243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216448098 (or 216448095 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 25324425243 its reverse (34252442352), we get a palindrome (59576867595).

The spelling of 25324425243 in words is "twenty-five billion, three hundred twenty-four million, four hundred twenty-five thousand, two hundred forty-three".