116040217 has 2 divisors, whose sum is σ = 116040218. Its totient is φ = 116040216.

The previous prime is 116040179. The next prime is 116040229. The reversal of 116040217 is 712040611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97239321 + 18800896 = 9861^2 + 4336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116040217 is a prime.

It is a super-2 number, since 2×116040217² = 26930663922814178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116040257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58020108 + 58020109.

It is an arithmetic number, because the mean of its divisors is an integer number (58020109).

Almost surely, 2^116040217 is an apocalyptic number.

It is an amenable number.

116040217 is a deficient number, since it is larger than the sum of its proper divisors (1).

116040217 is an equidigital number, since it uses as much as digits as its factorization.

116040217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 116040217 is about 10772.1964798271. The cubic root of 116040217 is about 487.7562511661.

Adding to 116040217 its reverse (712040611), we get a palindrome (828080828).

The spelling of 116040217 in words is "one hundred sixteen million, forty thousand, two hundred seventeen".