2005532543 has 8 divisors (see below), whose sum is σ = 2330885760. Its totient is φ = 1689891480.

The previous prime is 2005532539. The next prime is 2005532549. The reversal of 2005532543 is 3452355002.

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 2005532543 - 2² = 2005532539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005532549) 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, 2427593 + ... + 2428418.

It is an arithmetic number, because the mean of its divisors is an integer number (291360720).

Almost surely, 2^2005532543 is an apocalyptic number.

2005532543 is a deficient number, since it is larger than the sum of its proper divisors (325353217).

2005532543 is an equidigital number, since it uses as much as digits as its factorization.

2005532543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856077.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 2005532543 is about 44783.1725428201. The cubic root of 2005532543 is about 1261.0817415200.

Adding to 2005532543 its reverse (3452355002), we get a palindrome (5457887545).

The spelling of 2005532543 in words is "two billion, five million, five hundred thirty-two thousand, five hundred forty-three".