873540539 has 2 divisors, whose sum is σ = 873540540. Its totient is φ = 873540538.

The previous prime is 873540527. The next prime is 873540553. The reversal of 873540539 is 935045378.

873540539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873540539 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 873540539.

It is not a weakly prime, because it can be changed into another prime (873540589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436770269 + 436770270.

It is an arithmetic number, because the mean of its divisors is an integer number (436770270).

Almost surely, 2^873540539 is an apocalyptic number.

873540539 is a deficient number, since it is larger than the sum of its proper divisors (1).

873540539 is an equidigital number, since it uses as much as digits as its factorization.

873540539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 873540539 is about 29555.7192265727. The cubic root of 873540539 is about 955.9335147913.

The spelling of 873540539 in words is "eight hundred seventy-three million, five hundred forty thousand, five hundred thirty-nine".