424205017 has 2 divisors, whose sum is σ = 424205018. Its totient is φ = 424205016.

The previous prime is 424205009. The next prime is 424205081. The reversal of 424205017 is 710502424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424195216 + 9801 = 20596^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 424205017 - 2³ = 424205009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424204982 and 424205000.

It is not a weakly prime, because it can be changed into another prime (424205087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212102508 + 212102509.

It is an arithmetic number, because the mean of its divisors is an integer number (212102509).

Almost surely, 2^424205017 is an apocalyptic number.

It is an amenable number.

424205017 is a deficient number, since it is larger than the sum of its proper divisors (1).

424205017 is an equidigital number, since it uses as much as digits as its factorization.

424205017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 424205017 is about 20596.2379331760. The cubic root of 424205017 is about 751.3782166221.

The spelling of 424205017 in words is "four hundred twenty-four million, two hundred five thousand, seventeen".