424243 has 2 divisors, whose sum is σ = 424244. Its totient is φ = 424242.

The previous prime is 424231. The next prime is 424247. The reversal of 424243 is 342424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424243.

It is not a weakly prime, because it can be changed into another prime (424247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212121 + 212122.

It is an arithmetic number, because the mean of its divisors is an integer number (212122).

2⁴²⁴²⁴³ is an apocalyptic number.

424243 is a deficient number, since it is larger than the sum of its proper divisors (1).

424243 is an equidigital number, since it uses as much as digits as its factorization.

424243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 19.

The square root of 424243 is about 651.3393892588. The cubic root of 424243 is about 75.1400641901.

Adding to 424243 its reverse (342424), we get a palindrome (766667).

The spelling of 424243 in words is "four hundred twenty-four thousand, two hundred forty-three", and thus it is an iban number.