2005130005 has 4 divisors (see below), whose sum is σ = 2406156012. Its totient is φ = 1604104000.

The previous prime is 2005129981. The next prime is 2005130063. The reversal of 2005130005 is 5000315002.

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 1431335889 + 573794116 = 37833^2 + 23954^2 .

It is not a de Polignac number, because 2005130005 - 2⁷ = 2005129877 is a prime.

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, 200512996 + ... + 200513005.

It is an arithmetic number, because the mean of its divisors is an integer number (601539003).

Almost surely, 2^2005130005 is an apocalyptic number.

It is an amenable number.

2005130005 is a deficient number, since it is larger than the sum of its proper divisors (401026007).

2005130005 is an equidigital number, since it uses as much as digits as its factorization.

2005130005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401026006.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2005130005 is about 44778.6780175565. The cubic root of 2005130005 is about 1260.9973637171.

Adding to 2005130005 its reverse (5000315002), we get a palindrome (7005445007).

The spelling of 2005130005 in words is "two billion, five million, one hundred thirty thousand, five".