424720259 has 2 divisors, whose sum is σ = 424720260. Its totient is φ = 424720258.

The previous prime is 424720253. The next prime is 424720273. The reversal of 424720259 is 952027424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424720259 - 2¹² = 424716163 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (424720253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212360129 + 212360130.

It is an arithmetic number, because the mean of its divisors is an integer number (212360130).

Almost surely, 2^424720259 is an apocalyptic number.

424720259 is a deficient number, since it is larger than the sum of its proper divisors (1).

424720259 is an equidigital number, since it uses as much as digits as its factorization.

424720259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 424720259 is about 20608.7422954435. The cubic root of 424720259 is about 751.6823030612.

The spelling of 424720259 in words is "four hundred twenty-four million, seven hundred twenty thousand, two hundred fifty-nine".