424210247 has 2 divisors, whose sum is σ = 424210248. Its totient is φ = 424210246.

The previous prime is 424210219. The next prime is 424210253. The reversal of 424210247 is 742012424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424210247 - 2²² = 420015943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424212247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212105123 + 212105124.

It is an arithmetic number, because the mean of its divisors is an integer number (212105124).

Almost surely, 2^424210247 is an apocalyptic number.

424210247 is a deficient number, since it is larger than the sum of its proper divisors (1).

424210247 is an equidigital number, since it uses as much as digits as its factorization.

424210247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 424210247 is about 20596.3648977192. The cubic root of 424210247 is about 751.3813045094.

The spelling of 424210247 in words is "four hundred twenty-four million, two hundred ten thousand, two hundred forty-seven".