540043417 has 2 divisors, whose sum is σ = 540043418. Its totient is φ = 540043416.

The previous prime is 540043363. The next prime is 540043421. The reversal of 540043417 is 714340045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539586441 + 456976 = 23229^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 540043417 - 2¹⁵ = 540010649 is a prime.

It is not a weakly prime, because it can be changed into another prime (540043457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270021708 + 270021709.

It is an arithmetic number, because the mean of its divisors is an integer number (270021709).

Almost surely, 2^540043417 is an apocalyptic number.

It is an amenable number.

540043417 is a deficient number, since it is larger than the sum of its proper divisors (1).

540043417 is an equidigital number, since it uses as much as digits as its factorization.

540043417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 540043417 is about 23238.8342435674. The cubic root of 540043417 is about 814.3471088139.

The spelling of 540043417 in words is "five hundred forty million, forty-three thousand, four hundred seventeen".