540231330217 has 2 divisors, whose sum is σ = 540231330218. Its totient is φ = 540231330216.

The previous prime is 540231330209. The next prime is 540231330277. The reversal of 540231330217 is 712033132045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523581040921 + 16650289296 = 723589^2 + 129036^2 .

It is a cyclic number.

It is not a de Polignac number, because 540231330217 - 2³ = 540231330209 is a prime.

It is not a weakly prime, because it can be changed into another prime (540231330277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270115665108 + 270115665109.

It is an arithmetic number, because the mean of its divisors is an integer number (270115665109).

Almost surely, 2^540231330217 is an apocalyptic number.

It is an amenable number.

540231330217 is a deficient number, since it is larger than the sum of its proper divisors (1).

540231330217 is an equidigital number, since it uses as much as digits as its factorization.

540231330217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 540231330217 in words is "five hundred forty billion, two hundred thirty-one million, three hundred thirty thousand, two hundred seventeen".