424546247 has 2 divisors, whose sum is σ = 424546248. Its totient is φ = 424546246.

The previous prime is 424546207. The next prime is 424546249. The reversal of 424546247 is 742645424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424546247 - 2¹⁰ = 424545223 is a prime.

Together with 424546249, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424546247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424546249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212273123 + 212273124.

It is an arithmetic number, because the mean of its divisors is an integer number (212273124).

Almost surely, 2^424546247 is an apocalyptic number.

424546247 is a deficient number, since it is larger than the sum of its proper divisors (1).

424546247 is an equidigital number, since it uses as much as digits as its factorization.

424546247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 38.

The square root of 424546247 is about 20604.5200623553. The cubic root of 424546247 is about 751.5796318670.

The spelling of 424546247 in words is "four hundred twenty-four million, five hundred forty-six thousand, two hundred forty-seven".