130617217 has 2 divisors, whose sum is σ = 130617218. Its totient is φ = 130617216.

The previous prime is 130617197. The next prime is 130617241. The reversal of 130617217 is 712716031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117592336 + 13024881 = 10844^2 + 3609^2 .

It is a cyclic number.

It is not a de Polignac number, because 130617217 - 2¹¹ = 130615169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130717217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65308608 + 65308609.

It is an arithmetic number, because the mean of its divisors is an integer number (65308609).

Almost surely, 2^130617217 is an apocalyptic number.

It is an amenable number.

130617217 is a deficient number, since it is larger than the sum of its proper divisors (1).

130617217 is an equidigital number, since it uses as much as digits as its factorization.

130617217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 130617217 is about 11428.7889559655. The cubic root of 130617217 is about 507.3801533759.

The spelling of 130617217 in words is "one hundred thirty million, six hundred seventeen thousand, two hundred seventeen".