540532061 has 2 divisors, whose sum is σ = 540532062. Its totient is φ = 540532060.

The previous prime is 540532049. The next prime is 540532079. The reversal of 540532061 is 160235045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529276036 + 11256025 = 23006^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540532061 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540532061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540532961) 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, 270266030 + 270266031.

It is an arithmetic number, because the mean of its divisors is an integer number (270266031).

Almost surely, 2^540532061 is an apocalyptic number.

It is an amenable number.

540532061 is a deficient number, since it is larger than the sum of its proper divisors (1).

540532061 is an equidigital number, since it uses as much as digits as its factorization.

540532061 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 26.

The square root of 540532061 is about 23249.3453886341. The cubic root of 540532061 is about 814.5926482519.

The spelling of 540532061 in words is "five hundred forty million, five hundred thirty-two thousand, sixty-one".