63450917 has 2 divisors, whose sum is σ = 63450918. Its totient is φ = 63450916.

The previous prime is 63450889. The next prime is 63450923. The reversal of 63450917 is 71905436.

63450917 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., 56085121 + 7365796 = 7489^2 + 2714^2 .

It is a cyclic number.

It is not a de Polignac number, because 63450917 - 2⁶ = 63450853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63450977) 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, 31725458 + 31725459.

It is an arithmetic number, because the mean of its divisors is an integer number (31725459).

Almost surely, 2^63450917 is an apocalyptic number.

It is an amenable number.

63450917 is a deficient number, since it is larger than the sum of its proper divisors (1).

63450917 is an equidigital number, since it uses as much as digits as its factorization.

63450917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 63450917 is about 7965.6083885664. The cubic root of 63450917 is about 398.8527900019.

The spelling of 63450917 in words is "sixty-three million, four hundred fifty thousand, nine hundred seventeen".