540559213 has 2 divisors, whose sum is σ = 540559214. Its totient is φ = 540559212.

The previous prime is 540559181. The next prime is 540559219. The reversal of 540559213 is 312955045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464747364 + 75811849 = 21558^2 + 8707^2 .

It is a cyclic number.

It is not a de Polignac number, because 540559213 - 2⁵ = 540559181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540559219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270279606 + 270279607.

It is an arithmetic number, because the mean of its divisors is an integer number (270279607).

Almost surely, 2^540559213 is an apocalyptic number.

It is an amenable number.

540559213 is a deficient number, since it is larger than the sum of its proper divisors (1).

540559213 is an equidigital number, since it uses as much as digits as its factorization.

540559213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 540559213 is about 23249.9293117205. The cubic root of 540559213 is about 814.6062875596.

The spelling of 540559213 in words is "five hundred forty million, five hundred fifty-nine thousand, two hundred thirteen".