500213993 has 2 divisors, whose sum is σ = 500213994. Its totient is φ = 500213992.

The previous prime is 500213951. The next prime is 500214037. The reversal of 500213993 is 399312005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500103769 + 110224 = 22363^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 500213993 - 2¹⁰ = 500212969 is a prime.

It is equal to p_26366513 and since 500213993 and 26366513 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (500213393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250106996 + 250106997.

It is an arithmetic number, because the mean of its divisors is an integer number (250106997).

Almost surely, 2^500213993 is an apocalyptic number.

It is an amenable number.

500213993 is a deficient number, since it is larger than the sum of its proper divisors (1).

500213993 is an equidigital number, since it uses as much as digits as its factorization.

500213993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 500213993 is about 22365.4642920732. The cubic root of 500213993 is about 793.8137407386.

Adding to 500213993 its reverse (399312005), we get a palindrome (899525998).

The spelling of 500213993 in words is "five hundred million, two hundred thirteen thousand, nine hundred ninety-three".