2005004191 has 8 divisors (see below), whose sum is σ = 2148524784. Its totient is φ = 1864325760.

The previous prime is 2005004189. The next prime is 2005004213. The reversal of 2005004191 is 1914005002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005004191 - 2¹ = 2005004189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005004101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709080 + ... + 711901.

It is an arithmetic number, because the mean of its divisors is an integer number (268565598).

Almost surely, 2^2005004191 is an apocalyptic number.

2005004191 is a deficient number, since it is larger than the sum of its proper divisors (143520593).

2005004191 is a wasteful number, since it uses less digits than its factorization.

2005004191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421081.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2005004191 is about 44777.2731527948. The cubic root of 2005004191 is about 1260.9709889617.

Adding to 2005004191 its reverse (1914005002), we get a palindrome (3919009193).

The spelling of 2005004191 in words is "two billion, five million, four thousand, one hundred ninety-one".