25425223143 has 8 divisors (see below), whose sum is σ = 33902305008. Its totient is φ = 16949145024.

The previous prime is 25425223133. The next prime is 25425223151. The reversal of 25425223143 is 34132252452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25425223143 - 2⁹ = 25425222631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425223133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189696 + ... + 294677.

It is an arithmetic number, because the mean of its divisors is an integer number (4237788126).

Almost surely, 2^25425223143 is an apocalyptic number.

25425223143 is a deficient number, since it is larger than the sum of its proper divisors (8477081865).

25425223143 is a wasteful number, since it uses less digits than its factorization.

25425223143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501873.

The product of its digits is 57600, while the sum is 33.

Adding to 25425223143 its reverse (34132252452), we get a palindrome (59557475595).

The spelling of 25425223143 in words is "twenty-five billion, four hundred twenty-five million, two hundred twenty-three thousand, one hundred forty-three".