25143133425 has 24 divisors (see below), whose sum is σ = 41583621216. Its totient is φ = 13405271040.

The previous prime is 25143133403. The next prime is 25143133427. The reversal of 25143133425 is 52433134152.

It is not a de Polignac number, because 25143133425 - 2²⁴ = 25126356209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25143133427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181842 + ... + 288708.

It is an arithmetic number, because the mean of its divisors is an integer number (1732650884).

Almost surely, 2^25143133425 is an apocalyptic number.

25143133425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25143133425 is a deficient number, since it is larger than the sum of its proper divisors (16440487791).

25143133425 is a wasteful number, since it uses less digits than its factorization.

25143133425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110017 (or 110012 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

Adding to 25143133425 its reverse (52433134152), we get a palindrome (77576267577).

The spelling of 25143133425 in words is "twenty-five billion, one hundred forty-three million, one hundred thirty-three thousand, four hundred twenty-five".