530085217 has 2 divisors, whose sum is σ = 530085218. Its totient is φ = 530085216.

The previous prime is 530085191. The next prime is 530085233. The reversal of 530085217 is 712580035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356794321 + 173290896 = 18889^2 + 13164^2 .

It is a cyclic number.

It is not a de Polignac number, because 530085217 - 2¹⁵ = 530052449 is a prime.

It is not a weakly prime, because it can be changed into another prime (530085817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265042608 + 265042609.

It is an arithmetic number, because the mean of its divisors is an integer number (265042609).

Almost surely, 2^530085217 is an apocalyptic number.

It is an amenable number.

530085217 is a deficient number, since it is larger than the sum of its proper divisors (1).

530085217 is an equidigital number, since it uses as much as digits as its factorization.

530085217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 530085217 is about 23023.5795870234. The cubic root of 530085217 is about 809.3106042931.

The spelling of 530085217 in words is "five hundred thirty million, eighty-five thousand, two hundred seventeen".