63336561 has 8 divisors (see below), whose sum is σ = 84544320. Its totient is φ = 42176592.

The previous prime is 63336547. The next prime is 63336571. The reversal of 63336561 is 16563336.

63336561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63336561 - 2⁵ = 63336529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63336541) 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 7 ways as a sum of consecutive naturals, for example, 8730 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (10568040).

Almost surely, 2^63336561 is an apocalyptic number.

It is an amenable number.

63336561 is a deficient number, since it is larger than the sum of its proper divisors (21207759).

63336561 is a wasteful number, since it uses less digits than its factorization.

63336561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23895.

The product of its digits is 29160, while the sum is 33.

The square root of 63336561 is about 7958.4270430783. The cubic root of 63336561 is about 398.6130317730.

Adding to 63336561 its reverse (16563336), we get a palindrome (79899897).

The spelling of 63336561 in words is "sixty-three million, three hundred thirty-six thousand, five hundred sixty-one".