540370489 has 2 divisors, whose sum is σ = 540370490. Its totient is φ = 540370488.

The previous prime is 540370387. The next prime is 540370499. The reversal of 540370489 is 984073045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384944400 + 155426089 = 19620^2 + 12467^2 .

It is a cyclic number.

It is not a de Polignac number, because 540370489 - 2⁷ = 540370361 is a prime.

It is not a weakly prime, because it can be changed into another prime (540370499) 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, 270185244 + 270185245.

It is an arithmetic number, because the mean of its divisors is an integer number (270185245).

Almost surely, 2^540370489 is an apocalyptic number.

It is an amenable number.

540370489 is a deficient number, since it is larger than the sum of its proper divisors (1).

540370489 is an equidigital number, since it uses as much as digits as its factorization.

540370489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 540370489 is about 23245.8703644325. The cubic root of 540370489 is about 814.5114760830.

The spelling of 540370489 in words is "five hundred forty million, three hundred seventy thousand, four hundred eighty-nine".