130643017 has 2 divisors, whose sum is σ = 130643018. Its totient is φ = 130643016.

The previous prime is 130643003. The next prime is 130643081. The reversal of 130643017 is 710346031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104264521 + 26378496 = 10211^2 + 5136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130643017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130642982 and 130643000.

It is not a weakly prime, because it can be changed into another prime (130683017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65321508 + 65321509.

It is an arithmetic number, because the mean of its divisors is an integer number (65321509).

Almost surely, 2^130643017 is an apocalyptic number.

It is an amenable number.

130643017 is a deficient number, since it is larger than the sum of its proper divisors (1).

130643017 is an equidigital number, since it uses as much as digits as its factorization.

130643017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 130643017 is about 11429.9176287496. The cubic root of 130643017 is about 507.4135577168.

Adding to 130643017 its reverse (710346031), we get a palindrome (840989048).

The spelling of 130643017 in words is "one hundred thirty million, six hundred forty-three thousand, seventeen".