2006000005 has 4 divisors (see below), whose sum is σ = 2407200012. Its totient is φ = 1604800000.

The previous prime is 2005999973. The next prime is 2006000011. The reversal of 2006000005 is 5000006002.

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 1338242724 + 667757281 = 36582^2 + 25841^2 .

It is not a de Polignac number, because 2006000005 - 2⁵ = 2005999973 is a prime.

It is a Smith number, since the sum of its digits (13) 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 a congruent 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, 200599996 + ... + 200600005.

It is an arithmetic number, because the mean of its divisors is an integer number (601800003).

Almost surely, 2^2006000005 is an apocalyptic number.

It is an amenable number.

2006000005 is a deficient number, since it is larger than the sum of its proper divisors (401200007).

2006000005 is an equidigital number, since it uses as much as digits as its factorization.

2006000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401200006.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2006000005 is about 44788.3914089354. The cubic root of 2006000005 is about 1261.1797141672.

Adding to 2006000005 its reverse (5000006002), we get a palindrome (7006006007).

The spelling of 2006000005 in words is "two billion, six million, five", and thus it is an aban number and an uban number.