130684217 has 2 divisors, whose sum is σ = 130684218. Its totient is φ = 130684216.

The previous prime is 130684193. The next prime is 130684241. The reversal of 130684217 is 712486031.

It is a balanced prime because it is at equal distance from previous prime (130684193) and next prime (130684241).

It can be written as a sum of positive squares in only one way, i.e., 85673536 + 45010681 = 9256^2 + 6709^2 .

It is a cyclic number.

It is not a de Polignac number, because 130684217 - 2²⁰ = 129635641 is a prime.

It is not a weakly prime, because it can be changed into another prime (130684277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65342108 + 65342109.

It is an arithmetic number, because the mean of its divisors is an integer number (65342109).

Almost surely, 2^130684217 is an apocalyptic number.

It is an amenable number.

130684217 is a deficient number, since it is larger than the sum of its proper divisors (1).

130684217 is an equidigital number, since it uses as much as digits as its factorization.

130684217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 130684217 is about 11431.7197743822. The cubic root of 130684217 is about 507.4668919652.

The spelling of 130684217 in words is "one hundred thirty million, six hundred eighty-four thousand, two hundred seventeen".