63541605 has 16 divisors (see below), whose sum is σ = 107017920. Its totient is φ = 32105088.

The previous prime is 63541601. The next prime is 63541607. The reversal of 63541605 is 50614536.

63541605 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 63541605 - 2² = 63541601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63541601) by changing a digit.

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, 111192 + ... + 111761.

It is an arithmetic number, because the mean of its divisors is an integer number (6688620).

Almost surely, 2^63541605 is an apocalyptic number.

It is an amenable number.

63541605 is a deficient number, since it is larger than the sum of its proper divisors (43476315).

63541605 is a wasteful number, since it uses less digits than its factorization.

63541605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222980.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 63541605 is about 7971.2988276692. The cubic root of 63541605 is about 399.0427212879.

It can be divided in two parts, 63541 and 605, that added together give a palindrome (64146).

The spelling of 63541605 in words is "sixty-three million, five hundred forty-one thousand, six hundred five".