130345717 has 2 divisors, whose sum is σ = 130345718. Its totient is φ = 130345716.

The previous prime is 130345697. The next prime is 130345727. The reversal of 130345717 is 717543031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115799121 + 14546596 = 10761^2 + 3814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130345717 is a prime.

It is equal to p_7396600 and since 130345717 and 7396600 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130345727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65172858 + 65172859.

It is an arithmetic number, because the mean of its divisors is an integer number (65172859).

Almost surely, 2^130345717 is an apocalyptic number.

It is an amenable number.

130345717 is a deficient number, since it is larger than the sum of its proper divisors (1).

130345717 is an equidigital number, since it uses as much as digits as its factorization.

130345717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 130345717 is about 11416.9048782934. The cubic root of 130345717 is about 507.0283639518.

Adding to 130345717 its reverse (717543031), we get a palindrome (847888748).

The spelling of 130345717 in words is "one hundred thirty million, three hundred forty-five thousand, seven hundred seventeen".