63131875 has 20 divisors (see below), whose sum is σ = 79905672. Its totient is φ = 49856000.

The previous prime is 63131867. The next prime is 63131881. The reversal of 63131875 is 57813136.

63131875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63131875 - 2³ = 63131867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63131875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51267 + ... + 52483.

Almost surely, 2^63131875 is an apocalyptic number.

63131875 is a deficient number, since it is larger than the sum of its proper divisors (16773797).

63131875 is an equidigital number, since it uses as much as digits as its factorization.

63131875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1305 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 63131875 is about 7945.5569345390. The cubic root of 63131875 is about 398.1831665345.

The spelling of 63131875 in words is "sixty-three million, one hundred thirty-one thousand, eight hundred seventy-five".