545245213 has 2 divisors, whose sum is σ = 545245214. Its totient is φ = 545245212.

The previous prime is 545245193. The next prime is 545245243. The reversal of 545245213 is 312542545.

545245213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447195609 + 98049604 = 21147^2 + 9902^2 .

It is a cyclic number.

It is not a de Polignac number, because 545245213 - 2⁹ = 545244701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545245243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272622606 + 272622607.

It is an arithmetic number, because the mean of its divisors is an integer number (272622607).

Almost surely, 2^545245213 is an apocalyptic number.

It is an amenable number.

545245213 is a deficient number, since it is larger than the sum of its proper divisors (1).

545245213 is an equidigital number, since it uses as much as digits as its factorization.

545245213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 31.

The square root of 545245213 is about 23350.4863546779. The cubic root of 545245213 is about 816.9534048145.

Adding to 545245213 its reverse (312542545), we get a palindrome (857787758).

The spelling of 545245213 in words is "five hundred forty-five million, two hundred forty-five thousand, two hundred thirteen".