63481105 has 4 divisors (see below), whose sum is σ = 76177332. Its totient is φ = 50784880.

The previous prime is 63481073. The next prime is 63481129. The reversal of 63481105 is 50118436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20079361 + 43401744 = 4481^2 + 6588^2 .

It is not a de Polignac number, because 63481105 - 2⁵ = 63481073 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348106 + ... + 6348115.

It is an arithmetic number, because the mean of its divisors is an integer number (19044333).

Almost surely, 2^63481105 is an apocalyptic number.

It is an amenable number.

63481105 is a deficient number, since it is larger than the sum of its proper divisors (12696227).

63481105 is a wasteful number, since it uses less digits than its factorization.

63481105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696226.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 63481105 is about 7967.5030593028. The cubic root of 63481105 is about 398.9160339474.

The spelling of 63481105 in words is "sixty-three million, four hundred eighty-one thousand, one hundred five".