500728873 has 2 divisors, whose sum is σ = 500728874. Its totient is φ = 500728872.

The previous prime is 500728867. The next prime is 500728901. The reversal of 500728873 is 378827005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281333529 + 219395344 = 16773^2 + 14812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500728873 is a prime.

It is not a weakly prime, because it can be changed into another prime (500728073) 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, 250364436 + 250364437.

It is an arithmetic number, because the mean of its divisors is an integer number (250364437).

Almost surely, 2^500728873 is an apocalyptic number.

It is an amenable number.

500728873 is a deficient number, since it is larger than the sum of its proper divisors (1).

500728873 is an equidigital number, since it uses as much as digits as its factorization.

500728873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 500728873 is about 22376.9719354519. The cubic root of 500728873 is about 794.0860099878.

The spelling of 500728873 in words is "five hundred million, seven hundred twenty-eight thousand, eight hundred seventy-three".