8082005 has 4 divisors (see below), whose sum is σ = 9698412. Its totient is φ = 6465600.

The previous prime is 8081971. The next prime is 8082013. The reversal of 8082005 is 5002808.

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 3104644 + 4977361 = 1762^2 + 2231^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8082005 is a prime.

It is a Duffinian number.

It is a Curzon 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, 808196 + ... + 808205.

It is an arithmetic number, because the mean of its divisors is an integer number (2424603).

Almost surely, 2^8082005 is an apocalyptic number.

It is an amenable number.

8082005 is a deficient number, since it is larger than the sum of its proper divisors (1616407).

8082005 is a wasteful number, since it uses less digits than its factorization.

8082005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616406.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 8082005 is about 2842.8867371037. The cubic root of 8082005 is about 200.6810532002.

The spelling of 8082005 in words is "eight million, eighty-two thousand, five".