540650659 has 2 divisors, whose sum is σ = 540650660. Its totient is φ = 540650658.

The previous prime is 540650599. The next prime is 540650687. The reversal of 540650659 is 956056045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540650659 - 2⁷ = 540650531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540650059) 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, 270325329 + 270325330.

It is an arithmetic number, because the mean of its divisors is an integer number (270325330).

Almost surely, 2^540650659 is an apocalyptic number.

540650659 is a deficient number, since it is larger than the sum of its proper divisors (1).

540650659 is an equidigital number, since it uses as much as digits as its factorization.

540650659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 540650659 is about 23251.8958151803. The cubic root of 540650659 is about 814.6522204162.

It can be divided in two parts, 5406 and 50659, that added together give a palindrome (56065).

The spelling of 540650659 in words is "five hundred forty million, six hundred fifty thousand, six hundred fifty-nine".