544412213 has 2 divisors, whose sum is σ = 544412214. Its totient is φ = 544412212.

The previous prime is 544412161. The next prime is 544412243. The reversal of 544412213 is 312214445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538147204 + 6265009 = 23198^2 + 2503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544412213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544412243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272206106 + 272206107.

It is an arithmetic number, because the mean of its divisors is an integer number (272206107).

Almost surely, 2^544412213 is an apocalyptic number.

It is an amenable number.

544412213 is a deficient number, since it is larger than the sum of its proper divisors (1).

544412213 is an equidigital number, since it uses as much as digits as its factorization.

544412213 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 544412213 is about 23332.6426493014. The cubic root of 544412213 is about 816.5371584352.

Adding to 544412213 its reverse (312214445), we get a palindrome (856626658).

The spelling of 544412213 in words is "five hundred forty-four million, four hundred twelve thousand, two hundred thirteen".