500503343 has 4 divisors (see below), whose sum is σ = 501937800. Its totient is φ = 499068888.

The previous prime is 500503321. The next prime is 500503357. The reversal of 500503343 is 343305005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 500503343 - 2¹⁸ = 500241199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500503243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716705 + ... + 717402.

It is an arithmetic number, because the mean of its divisors is an integer number (125484450).

Almost surely, 2^500503343 is an apocalyptic number.

500503343 is a deficient number, since it is larger than the sum of its proper divisors (1434457).

500503343 is a wasteful number, since it uses less digits than its factorization.

500503343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434456.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 500503343 is about 22371.9320354770. The cubic root of 500503343 is about 793.9667723978.

Adding to 500503343 its reverse (343305005), we get a palindrome (843808348).

The spelling of 500503343 in words is "five hundred million, five hundred three thousand, three hundred forty-three".