130245617 has 2 divisors, whose sum is σ = 130245618. Its totient is φ = 130245616.

The previous prime is 130245613. The next prime is 130245637. The reversal of 130245617 is 716542031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109851361 + 20394256 = 10481^2 + 4516^2 .

It is an emirp because it is prime and its reverse (716542031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130245617 - 2² = 130245613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130245617.

It is not a weakly prime, because it can be changed into another prime (130245613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65122808 + 65122809.

It is an arithmetic number, because the mean of its divisors is an integer number (65122809).

Almost surely, 2^130245617 is an apocalyptic number.

It is an amenable number.

130245617 is a deficient number, since it is larger than the sum of its proper divisors (1).

130245617 is an equidigital number, since it uses as much as digits as its factorization.

130245617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 130245617 is about 11412.5201861815. The cubic root of 130245617 is about 506.8985385967.

Adding to 130245617 its reverse (716542031), we get a palindrome (846787648).

The spelling of 130245617 in words is "one hundred thirty million, two hundred forty-five thousand, six hundred seventeen".