63065905 has 16 divisors (see below), whose sum is σ = 87070464. Its totient is φ = 42955200.

The previous prime is 63065897. The next prime is 63065909. The reversal of 63065905 is 50956036.

63065905 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 63065905 - 2³ = 63065897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63065909) 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 15 ways as a sum of consecutive naturals, for example, 682 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (5441904).

Almost surely, 2^63065905 is an apocalyptic number.

It is an amenable number.

63065905 is a deficient number, since it is larger than the sum of its proper divisors (24004559).

63065905 is a wasteful number, since it uses less digits than its factorization.

63065905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 63065905 is about 7941.4044727617. The cubic root of 63065905 is about 398.0444236332.

The spelling of 63065905 in words is "sixty-three million, sixty-five thousand, nine hundred five".