130320517 has 2 divisors, whose sum is σ = 130320518. Its totient is φ = 130320516.

The previous prime is 130320511. The next prime is 130320539. The reversal of 130320517 is 715023031.

It is an a-pointer prime, because the next prime (130320539) can be obtained adding 130320517 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130165281 + 155236 = 11409^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 130320517 - 2⁷ = 130320389 is a prime.

It is a super-2 number, since 2×130320517² = 33966874302294578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130320511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65160258 + 65160259.

It is an arithmetic number, because the mean of its divisors is an integer number (65160259).

Almost surely, 2^130320517 is an apocalyptic number.

It is an amenable number.

130320517 is a deficient number, since it is larger than the sum of its proper divisors (1).

130320517 is an equidigital number, since it uses as much as digits as its factorization.

130320517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 130320517 is about 11415.8011983391. The cubic root of 130320517 is about 506.9956869076.

Adding to 130320517 its reverse (715023031), we get a palindrome (845343548).

The spelling of 130320517 in words is "one hundred thirty million, three hundred twenty thousand, five hundred seventeen".