500434243 has 2 divisors, whose sum is σ = 500434244. Its totient is φ = 500434242.

The previous prime is 500434201. The next prime is 500434247. The reversal of 500434243 is 342434005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500434243 is a prime.

It is not a weakly prime, because it can be changed into another prime (500434247) 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, 250217121 + 250217122.

It is an arithmetic number, because the mean of its divisors is an integer number (250217122).

Almost surely, 2^500434243 is an apocalyptic number.

500434243 is a deficient number, since it is larger than the sum of its proper divisors (1).

500434243 is an equidigital number, since it uses as much as digits as its factorization.

500434243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 500434243 is about 22370.3876363375. The cubic root of 500434243 is about 793.9302320964.

Adding to 500434243 its reverse (342434005), we get a palindrome (842868248).

The spelling of 500434243 in words is "five hundred million, four hundred thirty-four thousand, two hundred forty-three".