424819 has 2 divisors, whose sum is σ = 424820. Its totient is φ = 424818.

The previous prime is 424817. The next prime is 424829. The reversal of 424819 is 918424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424819 - 2¹ = 424817 is a prime.

It is a super-2 number, since 2×424819² = 360942365522, which contains 22 as substring.

Together with 424817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (424811) 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, 212409 + 212410.

It is an arithmetic number, because the mean of its divisors is an integer number (212410).

2⁴²⁴⁸¹⁹ is an apocalyptic number.

424819 is a deficient number, since it is larger than the sum of its proper divisors (1).

424819 is an equidigital number, since it uses as much as digits as its factorization.

424819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 424819 is about 651.7814050738. The cubic root of 424819 is about 75.1740550115.

The spelling of 424819 in words is "four hundred twenty-four thousand, eight hundred nineteen".