2005543533 has 96 divisors (see below), whose sum is σ = 3395174400. Its totient is φ = 1030588416.

The previous prime is 2005543513. The next prime is 2005543621. The reversal of 2005543533 is 3353455002.

It is not a de Polignac number, because 2005543533 - 2⁶ = 2005543469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2005543533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005543513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22534153 + ... + 22534241.

It is an arithmetic number, because the mean of its divisors is an integer number (35366400).

Almost surely, 2^2005543533 is an apocalyptic number.

It is an amenable number.

2005543533 is a deficient number, since it is larger than the sum of its proper divisors (1389630867).

2005543533 is a wasteful number, since it uses less digits than its factorization.

2005543533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 2005543533 is about 44783.2952449906. The cubic root of 2005543533 is about 1261.0840450251.

Adding to 2005543533 its reverse (3353455002), we get a palindrome (5358998535).

The spelling of 2005543533 in words is "two billion, five million, five hundred forty-three thousand, five hundred thirty-three".