130357217 has 2 divisors, whose sum is σ = 130357218. Its totient is φ = 130357216.

The previous prime is 130357147. The next prime is 130357219. The reversal of 130357217 is 712753031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128504896 + 1852321 = 11336^2 + 1361^2 .

It is a cyclic number.

It is not a de Polignac number, because 130357217 - 2²² = 126162913 is a prime.

Together with 130357219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130357217.

It is not a weakly prime, because it can be changed into another prime (130357219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65178608 + 65178609.

It is an arithmetic number, because the mean of its divisors is an integer number (65178609).

Almost surely, 2^130357217 is an apocalyptic number.

It is an amenable number.

130357217 is a deficient number, since it is larger than the sum of its proper divisors (1).

130357217 is an equidigital number, since it uses as much as digits as its factorization.

130357217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 130357217 is about 11417.4085063118. The cubic root of 130357217 is about 507.0432746954.

The spelling of 130357217 in words is "one hundred thirty million, three hundred fifty-seven thousand, two hundred seventeen".