506688443 has 2 divisors, whose sum is σ = 506688444. Its totient is φ = 506688442.

The previous prime is 506688439. The next prime is 506688461. The reversal of 506688443 is 344886605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506688443 - 2² = 506688439 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 506688394 and 506688403.

It is not a weakly prime, because it can be changed into another prime (506688463) 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, 253344221 + 253344222.

It is an arithmetic number, because the mean of its divisors is an integer number (253344222).

Almost surely, 2^506688443 is an apocalyptic number.

506688443 is a deficient number, since it is larger than the sum of its proper divisors (1).

506688443 is an equidigital number, since it uses as much as digits as its factorization.

506688443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 506688443 is about 22509.7410691460. The cubic root of 506688443 is about 797.2239420831.

The spelling of 506688443 in words is "five hundred six million, six hundred eighty-eight thousand, four hundred forty-three".