8063905 has 4 divisors (see below), whose sum is σ = 9676692. Its totient is φ = 6451120.

The previous prime is 8063879. The next prime is 8063911. The reversal of 8063905 is 5093608.

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 2347024 + 5716881 = 1532^2 + 2391^2 .

It is not a de Polignac number, because 8063905 - 2⁵ = 8063873 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806386 + ... + 806395.

It is an arithmetic number, because the mean of its divisors is an integer number (2419173).

Almost surely, 2^8063905 is an apocalyptic number.

It is an amenable number.

8063905 is a deficient number, since it is larger than the sum of its proper divisors (1612787).

8063905 is a wasteful number, since it uses less digits than its factorization.

8063905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612786.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 8063905 is about 2839.7015688273. The cubic root of 8063905 is about 200.5311299231.

The spelling of 8063905 in words is "eight million, sixty-three thousand, nine hundred five".