2005421133 has 8 divisors (see below), whose sum is σ = 2831182848. Its totient is φ = 1258303424.

The previous prime is 2005421027. The next prime is 2005421149. The reversal of 2005421133 is 3311245002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2005421133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005426133) 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, 19660941 + ... + 19661042.

It is an arithmetic number, because the mean of its divisors is an integer number (353897856).

Almost surely, 2^2005421133 is an apocalyptic number.

It is an amenable number.

2005421133 is a deficient number, since it is larger than the sum of its proper divisors (825761715).

2005421133 is a wasteful number, since it uses less digits than its factorization.

2005421133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39322003.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2005421133 is about 44781.9286431480. The cubic root of 2005421133 is about 1261.0583894983.

Adding to 2005421133 its reverse (3311245002), we get a palindrome (5316666135).

The spelling of 2005421133 in words is "two billion, five million, four hundred twenty-one thousand, one hundred thirty-three".