63506105 has 32 divisors (see below), whose sum is σ = 86655744. Its totient is φ = 44326656.

The previous prime is 63506099. The next prime is 63506119. The reversal of 63506105 is 50160536.

63506105 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 not a de Polignac number, because 63506105 - 2⁶ = 63506041 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 31 ways as a sum of consecutive naturals, for example, 159767 + ... + 160163.

It is an arithmetic number, because the mean of its divisors is an integer number (2707992).

Almost surely, 2^63506105 is an apocalyptic number.

63506105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63506105 is a deficient number, since it is larger than the sum of its proper divisors (23149639).

63506105 is a wasteful number, since it uses less digits than its factorization.

63506105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 63506105 is about 7969.0717778170. The cubic root of 63506105 is about 398.9683938424.

The spelling of 63506105 in words is "sixty-three million, five hundred six thousand, one hundred five".