63330121 has 2 divisors, whose sum is σ = 63330122. Its totient is φ = 63330120.

The previous prime is 63330119. The next prime is 63330143. The reversal of 63330121 is 12103336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38440000 + 24890121 = 6200^2 + 4989^2 .

It is a cyclic number.

It is not a de Polignac number, because 63330121 - 2¹ = 63330119 is a prime.

Together with 63330119, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63330101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31665060 + 31665061.

It is an arithmetic number, because the mean of its divisors is an integer number (31665061).

Almost surely, 2^63330121 is an apocalyptic number.

It is an amenable number.

63330121 is a deficient number, since it is larger than the sum of its proper divisors (1).

63330121 is an equidigital number, since it uses as much as digits as its factorization.

63330121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 63330121 is about 7958.0224302272. The cubic root of 63330121 is about 398.5995211198.

Adding to 63330121 its reverse (12103336), we get a palindrome (75433457).

The spelling of 63330121 in words is "sixty-three million, three hundred thirty thousand, one hundred twenty-one".