500530073 has 2 divisors, whose sum is σ = 500530074. Its totient is φ = 500530072.

The previous prime is 500530067. The next prime is 500530081. The reversal of 500530073 is 370035005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325153024 + 175377049 = 18032^2 + 13243^2 .

It is a cyclic number.

It is not a de Polignac number, because 500530073 - 2¹⁰ = 500529049 is a prime.

It is not a weakly prime, because it can be changed into another prime (500530013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250265036 + 250265037.

It is an arithmetic number, because the mean of its divisors is an integer number (250265037).

Almost surely, 2^500530073 is an apocalyptic number.

It is an amenable number.

500530073 is a deficient number, since it is larger than the sum of its proper divisors (1).

500530073 is an equidigital number, since it uses as much as digits as its factorization.

500530073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 500530073 is about 22372.5294278497. The cubic root of 500530073 is about 793.9809064053.

Adding to 500530073 its reverse (370035005), we get a palindrome (870565078).

The spelling of 500530073 in words is "five hundred million, five hundred thirty thousand, seventy-three".