63385305 has 16 divisors (see below), whose sum is σ = 101559744. Its totient is φ = 33757760.

The previous prime is 63385291. The next prime is 63385313. The reversal of 63385305 is 50358336.

It is not a de Polignac number, because 63385305 - 2⁹ = 63384793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9742 + ... + 14888.

It is an arithmetic number, because the mean of its divisors is an integer number (6347484).

Almost surely, 2^63385305 is an apocalyptic number.

It is an amenable number.

63385305 is a deficient number, since it is larger than the sum of its proper divisors (38174439).

63385305 is a wasteful number, since it uses less digits than its factorization.

63385305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 63385305 is about 7961.4888682959. The cubic root of 63385305 is about 398.7152634645.

The spelling of 63385305 in words is "sixty-three million, three hundred eighty-five thousand, three hundred five".