500220073 has 2 divisors, whose sum is σ = 500220074. Its totient is φ = 500220072.

The previous prime is 500220059. The next prime is 500220137. The reversal of 500220073 is 370022005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492973209 + 7246864 = 22203^2 + 2692^2 .

It is a cyclic number.

It is not a de Polignac number, because 500220073 - 2⁵ = 500220041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 500220073.

It is not a weakly prime, because it can be changed into another prime (500220473) 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, 250110036 + 250110037.

It is an arithmetic number, because the mean of its divisors is an integer number (250110037).

Almost surely, 2^500220073 is an apocalyptic number.

It is an amenable number.

500220073 is a deficient number, since it is larger than the sum of its proper divisors (1).

500220073 is an equidigital number, since it uses as much as digits as its factorization.

500220073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 500220073 is about 22365.6002155095. The cubic root of 500220073 is about 793.8169569408.

Adding to 500220073 its reverse (370022005), we get a palindrome (870242078).

The spelling of 500220073 in words is "five hundred million, two hundred twenty thousand, seventy-three".