63329385 has 32 divisors (see below), whose sum is σ = 118939392. Its totient is φ = 28166400.

The previous prime is 63329353. The next prime is 63329389. The reversal of 63329385 is 58392336.

63329385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63329385 - 2⁵ = 63329353 is a prime.

It is a super-2 number, since 2×63329385² = 8021222008956450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63329389) 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 31 ways as a sum of consecutive naturals, for example, 4266 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (3716856).

Almost surely, 2^63329385 is an apocalyptic number.

It is an amenable number.

63329385 is a deficient number, since it is larger than the sum of its proper divisors (55610007).

63329385 is a wasteful number, since it uses less digits than its factorization.

63329385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16353.

The product of its digits is 116640, while the sum is 39.

The square root of 63329385 is about 7957.9761874487. The cubic root of 63329385 is about 398.5979769868.

The spelling of 63329385 in words is "sixty-three million, three hundred twenty-nine thousand, three hundred eighty-five".