540214889 has 2 divisors, whose sum is σ = 540214890. Its totient is φ = 540214888.

The previous prime is 540214867. The next prime is 540214921. The reversal of 540214889 is 988412045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516789289 + 23425600 = 22733^2 + 4840^2 .

It is a cyclic number.

It is not a de Polignac number, because 540214889 - 2¹⁶ = 540149353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540214189) 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, 270107444 + 270107445.

It is an arithmetic number, because the mean of its divisors is an integer number (270107445).

Almost surely, 2^540214889 is an apocalyptic number.

It is an amenable number.

540214889 is a deficient number, since it is larger than the sum of its proper divisors (1).

540214889 is an equidigital number, since it uses as much as digits as its factorization.

540214889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 540214889 is about 23242.5232924483. The cubic root of 540214889 is about 814.4332888917.

The spelling of 540214889 in words is "five hundred forty million, two hundred fourteen thousand, eight hundred eighty-nine".