63481115 has 16 divisors (see below), whose sum is σ = 78236928. Its totient is φ = 49420896.

The previous prime is 63481073. The next prime is 63481129. The reversal of 63481115 is 51118436.

63481115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63481115 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 107852 + ... + 108438.

It is an arithmetic number, because the mean of its divisors is an integer number (4889808).

Almost surely, 2^63481115 is an apocalyptic number.

63481115 is a deficient number, since it is larger than the sum of its proper divisors (14755813).

63481115 is a wasteful number, since it uses less digits than its factorization.

63481115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its digits is 2880, while the sum is 29.

The square root of 63481115 is about 7967.5036868520. The cubic root of 63481115 is about 398.9160548941.

The spelling of 63481115 in words is "sixty-three million, four hundred eighty-one thousand, one hundred fifteen".