63130881 has 16 divisors (see below), whose sum is σ = 92494080. Its totient is φ = 37983120.

The previous prime is 63130861. The next prime is 63130891. The reversal of 63130881 is 18803136.

It is not a de Polignac number, because 63130881 - 2¹¹ = 63128833 is a prime.

It is a super-2 number, since 2×63130881² = 7971016271672322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63130831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295 + ... + 11468.

It is an arithmetic number, because the mean of its divisors is an integer number (5780880).

Almost surely, 2^63130881 is an apocalyptic number.

It is an amenable number.

63130881 is a deficient number, since it is larger than the sum of its proper divisors (29363199).

63130881 is a wasteful number, since it uses less digits than its factorization.

63130881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13916.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 63130881 is about 7945.4943836114. The cubic root of 63130881 is about 398.1810767494.

The spelling of 63130881 in words is "sixty-three million, one hundred thirty thousand, eight hundred eighty-one".