63221033 has 2 divisors, whose sum is σ = 63221034. Its totient is φ = 63221032.

The previous prime is 63221029. The next prime is 63221047. The reversal of 63221033 is 33012236.

63221033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61905424 + 1315609 = 7868^2 + 1147^2 .

It is a cyclic number.

It is not a de Polignac number, because 63221033 - 2² = 63221029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63220996 and 63221014.

It is not a weakly prime, because it can be changed into another prime (63221233) 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, 31610516 + 31610517.

It is an arithmetic number, because the mean of its divisors is an integer number (31610517).

Almost surely, 2^63221033 is an apocalyptic number.

It is an amenable number.

63221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

63221033 is an equidigital number, since it uses as much as digits as its factorization.

63221033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 63221033 is about 7951.1655120492. The cubic root of 63221033 is about 398.3705231097.

Adding to 63221033 its reverse (33012236), we get a palindrome (96233269).

The spelling of 63221033 in words is "sixty-three million, two hundred twenty-one thousand, thirty-three".