63904033 has 2 divisors, whose sum is σ = 63904034. Its totient is φ = 63904032.

The previous prime is 63904019. The next prime is 63904039. The reversal of 63904033 is 33040936.

63904033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32353344 + 31550689 = 5688^2 + 5617^2 .

It is a cyclic number.

It is not a de Polignac number, because 63904033 - 2²¹ = 61806881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63903992 and 63904010.

It is not a weakly prime, because it can be changed into another prime (63904039) 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 as a sum of consecutive naturals, namely, 31952016 + 31952017.

It is an arithmetic number, because the mean of its divisors is an integer number (31952017).

Almost surely, 2^63904033 is an apocalyptic number.

It is an amenable number.

63904033 is a deficient number, since it is larger than the sum of its proper divisors (1).

63904033 is an equidigital number, since it uses as much as digits as its factorization.

63904033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 63904033 is about 7993.9998123593. Note that the first 3 decimals coincide. The cubic root of 63904033 is about 399.7999687354.

Adding to 63904033 its reverse (33040936), we get a palindrome (96944969).

The spelling of 63904033 in words is "sixty-three million, nine hundred four thousand, thirty-three".