130618517 has 2 divisors, whose sum is σ = 130618518. Its totient is φ = 130618516.

The previous prime is 130618489. The next prime is 130618529. The reversal of 130618517 is 715816031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69372241 + 61246276 = 8329^2 + 7826^2 .

It is a cyclic number.

It is not a de Polignac number, because 130618517 - 2⁸ = 130618261 is a prime.

It is a super-2 number, since 2×130618517² = 34122393966558578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130615517) 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, 65309258 + 65309259.

It is an arithmetic number, because the mean of its divisors is an integer number (65309259).

Almost surely, 2^130618517 is an apocalyptic number.

It is an amenable number.

130618517 is a deficient number, since it is larger than the sum of its proper divisors (1).

130618517 is an equidigital number, since it uses as much as digits as its factorization.

130618517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 130618517 is about 11428.8458297415. The cubic root of 130618517 is about 507.3818366456.

The spelling of 130618517 in words is "one hundred thirty million, six hundred eighteen thousand, five hundred seventeen".