540124213 has 2 divisors, whose sum is σ = 540124214. Its totient is φ = 540124212.

The previous prime is 540124199. The next prime is 540124231. The reversal of 540124213 is 312421045.

Together with next prime (540124231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491375889 + 48748324 = 22167^2 + 6982^2 .

It is a cyclic number.

It is not a de Polignac number, because 540124213 - 2⁵ = 540124181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540124313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270062106 + 270062107.

It is an arithmetic number, because the mean of its divisors is an integer number (270062107).

Almost surely, 2^540124213 is an apocalyptic number.

It is an amenable number.

540124213 is a deficient number, since it is larger than the sum of its proper divisors (1).

540124213 is an equidigital number, since it uses as much as digits as its factorization.

540124213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 540124213 is about 23240.5725617937. The cubic root of 540124213 is about 814.3877183315.

Adding to 540124213 its reverse (312421045), we get a palindrome (852545258).

The spelling of 540124213 in words is "five hundred forty million, one hundred twenty-four thousand, two hundred thirteen".