459930217 has 2 divisors, whose sum is σ = 459930218. Its totient is φ = 459930216.

The previous prime is 459930209. The next prime is 459930269. The reversal of 459930217 is 712039954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436851801 + 23078416 = 20901^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 459930217 - 2³ = 459930209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 459930217.

It is not a weakly prime, because it can be changed into another prime (459930917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229965108 + 229965109.

It is an arithmetic number, because the mean of its divisors is an integer number (229965109).

Almost surely, 2^459930217 is an apocalyptic number.

It is an amenable number.

459930217 is a deficient number, since it is larger than the sum of its proper divisors (1).

459930217 is an equidigital number, since it uses as much as digits as its factorization.

459930217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 459930217 is about 21445.9837032485. The cubic root of 459930217 is about 771.9052257545.

The spelling of 459930217 in words is "four hundred fifty-nine million, nine hundred thirty thousand, two hundred seventeen".