512443 has 2 divisors, whose sum is σ = 512444. Its totient is φ = 512442.

The previous prime is 512429. The next prime is 512467. The reversal of 512443 is 344215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512443 - 2¹⁷ = 381371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512443.

It is not a weakly prime, because it can be changed into another prime (512543) 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, 256221 + 256222.

It is an arithmetic number, because the mean of its divisors is an integer number (256222).

2⁵¹²⁴⁴³ is an apocalyptic number.

512443 is a deficient number, since it is larger than the sum of its proper divisors (1).

512443 is an equidigital number, since it uses as much as digits as its factorization.

512443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 19.

The square root of 512443 is about 715.8512415300. The cubic root of 512443 is about 80.0230662654.

Adding to 512443 its reverse (344215), we get a palindrome (856658).

The spelling of 512443 in words is "five hundred twelve thousand, four hundred forty-three".