506643703 has 4 divisors (see below), whose sum is σ = 512747928. Its totient is φ = 500539480.

The previous prime is 506643671. The next prime is 506643719. The reversal of 506643703 is 307346605.

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 506643703 - 2⁵ = 506643671 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 (506643733) 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, 3051988 + ... + 3052153.

It is an arithmetic number, because the mean of its divisors is an integer number (128186982).

Almost surely, 2^506643703 is an apocalyptic number.

506643703 is a deficient number, since it is larger than the sum of its proper divisors (6104225).

506643703 is an equidigital number, since it uses as much as digits as its factorization.

506643703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104224.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 506643703 is about 22508.7472552339. The cubic root of 506643703 is about 797.2004767436.

The spelling of 506643703 in words is "five hundred six million, six hundred forty-three thousand, seven hundred three".