540516061 has 2 divisors, whose sum is σ = 540516062. Its totient is φ = 540516060.

The previous prime is 540516043. The next prime is 540516073. The reversal of 540516061 is 160615045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271227961 + 269288100 = 16469^2 + 16410^2 .

It is a cyclic number.

It is not a de Polignac number, because 540516061 - 2⁵ = 540516029 is a prime.

It is a super-2 number, since 2×540516061² = 584315224397911442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540516661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270258030 + 270258031.

It is an arithmetic number, because the mean of its divisors is an integer number (270258031).

Almost surely, 2^540516061 is an apocalyptic number.

It is an amenable number.

540516061 is a deficient number, since it is larger than the sum of its proper divisors (1).

540516061 is an equidigital number, since it uses as much as digits as its factorization.

540516061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 540516061 is about 23249.0012903780. The cubic root of 540516061 is about 814.5846107324.

The spelling of 540516061 in words is "five hundred forty million, five hundred sixteen thousand, sixty-one".