63983305 has 8 divisors (see below), whose sum is σ = 76824072. Its totient is φ = 51157248.

The previous prime is 63983303. The next prime is 63983321. The reversal of 63983305 is 50338936.

63983305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 558009 + 63425296 = 747^2 + 7964^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63983305 - 2¹ = 63983303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63983303) 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 in 7 ways as a sum of consecutive naturals, for example, 11907 + ... + 16423.

It is an arithmetic number, because the mean of its divisors is an integer number (9603009).

Almost surely, 2^63983305 is an apocalyptic number.

It is an amenable number.

63983305 is a deficient number, since it is larger than the sum of its proper divisors (12840767).

63983305 is a wasteful number, since it uses less digits than its factorization.

63983305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 63983305 is about 7998.9564944435. The cubic root of 63983305 is about 399.9652157252.

The spelling of 63983305 in words is "sixty-three million, nine hundred eighty-three thousand, three hundred five".