2005542113 has 2 divisors, whose sum is σ = 2005542114. Its totient is φ = 2005542112.

The previous prime is 2005542103. The next prime is 2005542127. The reversal of 2005542113 is 3112455002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990230544 + 15311569 = 44612^2 + 3913^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005542113 - 2¹⁴ = 2005525729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005542103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002771056 + 1002771057.

It is an arithmetic number, because the mean of its divisors is an integer number (1002771057).

Almost surely, 2^2005542113 is an apocalyptic number.

It is an amenable number.

2005542113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005542113 is an equidigital number, since it uses as much as digits as its factorization.

2005542113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2005542113 is about 44783.2793908619. The cubic root of 2005542113 is about 1261.0837473934.

Adding to 2005542113 its reverse (3112455002), we get a palindrome (5117997115).

The spelling of 2005542113 in words is "two billion, five million, five hundred forty-two thousand, one hundred thirteen".