544242113 has 2 divisors, whose sum is σ = 544242114. Its totient is φ = 544242112.

The previous prime is 544242109. The next prime is 544242133. The reversal of 544242113 is 311242445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517699009 + 26543104 = 22753^2 + 5152^2 .

It is a cyclic number.

It is not a de Polignac number, because 544242113 - 2² = 544242109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (544242133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272121056 + 272121057.

It is an arithmetic number, because the mean of its divisors is an integer number (272121057).

Almost surely, 2^544242113 is an apocalyptic number.

It is an amenable number.

544242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

544242113 is an equidigital number, since it uses as much as digits as its factorization.

544242113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 26.

The square root of 544242113 is about 23328.9972566332. The cubic root of 544242113 is about 816.4521080295.

Adding to 544242113 its reverse (311242445), we get a palindrome (855484558).

The spelling of 544242113 in words is "five hundred forty-four million, two hundred forty-two thousand, one hundred thirteen".