540525061 has 2 divisors, whose sum is σ = 540525062. Its totient is φ = 540525060.

The previous prime is 540525049. The next prime is 540525071. The reversal of 540525061 is 160525045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532224900 + 8300161 = 23070^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 540525061 - 2⁹ = 540524549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540525071) 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, 270262530 + 270262531.

It is an arithmetic number, because the mean of its divisors is an integer number (270262531).

Almost surely, 2^540525061 is an apocalyptic number.

It is an amenable number.

540525061 is a deficient number, since it is larger than the sum of its proper divisors (1).

540525061 is an equidigital number, since it uses as much as digits as its factorization.

540525061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 540525061 is about 23249.1948462737. The cubic root of 540525061 is about 814.5891318567.

The spelling of 540525061 in words is "five hundred forty million, five hundred twenty-five thousand, sixty-one".