63801217 has 2 divisors, whose sum is σ = 63801218. Its totient is φ = 63801216.

The previous prime is 63801203. The next prime is 63801223. The reversal of 63801217 is 71210836.

63801217 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., 53714241 + 10086976 = 7329^2 + 3176^2 .

It is a cyclic number.

It is not a de Polignac number, because 63801217 - 2¹⁹ = 63276929 is a prime.

It is not a weakly prime, because it can be changed into another prime (63801917) 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, 31900608 + 31900609.

It is an arithmetic number, because the mean of its divisors is an integer number (31900609).

Almost surely, 2^63801217 is an apocalyptic number.

It is an amenable number.

63801217 is a deficient number, since it is larger than the sum of its proper divisors (1).

63801217 is an equidigital number, since it uses as much as digits as its factorization.

63801217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 63801217 is about 7987.5664003500. The cubic root of 63801217 is about 399.5854392469.

The spelling of 63801217 in words is "sixty-three million, eight hundred one thousand, two hundred seventeen".