63000005 has 4 divisors (see below), whose sum is σ = 75600012. Its totient is φ = 50400000.

The previous prime is 62999999. The next prime is 63000037. The reversal of 63000005 is 50000036.

It is a happy number.

63000005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18671041 + 44328964 = 4321^2 + 6658^2 .

It is not a de Polignac number, because 63000005 - 2⁶ = 62999941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6299996 + ... + 6300005.

It is an arithmetic number, because the mean of its divisors is an integer number (18900003).

Almost surely, 2^63000005 is an apocalyptic number.

It is an amenable number.

63000005 is a deficient number, since it is larger than the sum of its proper divisors (12600007).

63000005 is a wasteful number, since it uses less digits than its factorization.

63000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600006.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 63000005 is about 7937.2542481642. The cubic root of 63000005 is about 397.9057313162.

The spelling of 63000005 in words is "sixty-three million, five", and thus it is an aban number and an uban number.