63131263825 has 24 divisors (see below), whose sum is σ = 89483647680. Its totient is φ = 43281480000.

The previous prime is 63131263747. The next prime is 63131263829. The reversal of 63131263825 is 52836213136.

It is not a de Polignac number, because 63131263825 - 2²⁵ = 63097709393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63131263829) 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, 929886 + ... + 995464.

It is an arithmetic number, because the mean of its divisors is an integer number (3728485320).

Almost surely, 2^63131263825 is an apocalyptic number.

It is an amenable number.

63131263825 is a deficient number, since it is larger than the sum of its proper divisors (26352383855).

63131263825 is a wasteful number, since it uses less digits than its factorization.

63131263825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71097 (or 71092 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The spelling of 63131263825 in words is "sixty-three billion, one hundred thirty-one million, two hundred sixty-three thousand, eight hundred twenty-five".