63334021 has 2 divisors, whose sum is σ = 63334022. Its totient is φ = 63334020.

The previous prime is 63334013. The next prime is 63334031. The reversal of 63334021 is 12043336.

63334021 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., 48233025 + 15100996 = 6945^2 + 3886^2 .

It is a cyclic number.

It is not a de Polignac number, because 63334021 - 2³ = 63334013 is a prime.

It is a super-2 number, since 2×63334021² = 8022396432056882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63333983 and 63334001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63334031) 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, 31667010 + 31667011.

It is an arithmetic number, because the mean of its divisors is an integer number (31667011).

Almost surely, 2^63334021 is an apocalyptic number.

It is an amenable number.

63334021 is a deficient number, since it is larger than the sum of its proper divisors (1).

63334021 is an equidigital number, since it uses as much as digits as its factorization.

63334021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 63334021 is about 7958.2674622056. The cubic root of 63334021 is about 398.6077031465.

Adding to 63334021 its reverse (12043336), we get a palindrome (75377357).

It can be divided in two parts, 63 and 334021, that added together give a square (334084 = 578²).

The spelling of 63334021 in words is "sixty-three million, three hundred thirty-four thousand, twenty-one".