63538333 has 12 divisors (see below), whose sum is σ = 69790140. Its totient is φ = 57577856.

The previous prime is 63538303. The next prime is 63538379. The reversal of 63538333 is 33383536.

63538333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41757444 + 21780889 = 6462^2 + 4667^2 .

It is not a de Polignac number, because 63538333 - 2⁵ = 63538301 is a prime.

It is a Duffinian number.

Its product of digits (58320) is a multiple of the sum of its prime divisors (405).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63538303) 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 11 ways as a sum of consecutive naturals, for example, 176808 + ... + 177166.

It is an arithmetic number, because the mean of its divisors is an integer number (5815845).

Almost surely, 2^63538333 is an apocalyptic number.

It is an amenable number.

63538333 is a deficient number, since it is larger than the sum of its proper divisors (6251807).

63538333 is an equidigital number, since it uses as much as digits as its factorization.

63538333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 405 counting only the distinct ones).

The product of its digits is 58320, while the sum is 34.

The square root of 63538333 is about 7971.0935887117. The cubic root of 63538333 is about 399.0358717589.

The spelling of 63538333 in words is "sixty-three million, five hundred thirty-eight thousand, three hundred thirty-three".