613470217 has 2 divisors, whose sum is σ = 613470218. Its totient is φ = 613470216.

The previous prime is 613470199. The next prime is 613470239. The reversal of 613470217 is 712074316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608559561 + 4910656 = 24669^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 613470217 - 2²⁷ = 479252489 is a prime.

It is not a weakly prime, because it can be changed into another prime (613470287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306735108 + 306735109.

It is an arithmetic number, because the mean of its divisors is an integer number (306735109).

Almost surely, 2^613470217 is an apocalyptic number.

It is an amenable number.

613470217 is a deficient number, since it is larger than the sum of its proper divisors (1).

613470217 is an equidigital number, since it uses as much as digits as its factorization.

613470217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 613470217 is about 24768.3309288293. The cubic root of 613470217 is about 849.6978012231.

The spelling of 613470217 in words is "six hundred thirteen million, four hundred seventy thousand, two hundred seventeen".