424247 has 2 divisors, whose sum is σ = 424248. Its totient is φ = 424246.

The previous prime is 424243. The next prime is 424261. The reversal of 424247 is 742424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424247 - 2² = 424243 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212123 + 212124.

It is an arithmetic number, because the mean of its divisors is an integer number (212124).

2⁴²⁴²⁴⁷ is an apocalyptic number.

424247 is a deficient number, since it is larger than the sum of its proper divisors (1).

424247 is an equidigital number, since it uses as much as digits as its factorization.

424247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 23.

The square root of 424247 is about 651.3424598474. The cubic root of 424247 is about 75.1403003435.

The spelling of 424247 in words is "four hundred twenty-four thousand, two hundred forty-seven", and thus it is an iban number.