63328393 has 2 divisors, whose sum is σ = 63328394. Its totient is φ = 63328392.

The previous prime is 63328357. The next prime is 63328409. The reversal of 63328393 is 39382336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54346384 + 8982009 = 7372^2 + 2997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63328393 is a prime.

It is not a weakly prime, because it can be changed into another prime (63328193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31664196 + 31664197.

It is an arithmetic number, because the mean of its divisors is an integer number (31664197).

Almost surely, 2^63328393 is an apocalyptic number.

It is an amenable number.

63328393 is a deficient number, since it is larger than the sum of its proper divisors (1).

63328393 is an equidigital number, since it uses as much as digits as its factorization.

63328393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 37.

The square root of 63328393 is about 7957.9138598002. The cubic root of 63328393 is about 398.5958957452.

The spelling of 63328393 in words is "sixty-three million, three hundred twenty-eight thousand, three hundred ninety-three".