116495209 has 2 divisors, whose sum is σ = 116495210. Its totient is φ = 116495208.

The previous prime is 116495173. The next prime is 116495261. The reversal of 116495209 is 902594611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61779600 + 54715609 = 7860^2 + 7397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116495209 is a prime.

It is a super-2 number, since 2×116495209² = 27142267439907362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116492209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58247604 + 58247605.

It is an arithmetic number, because the mean of its divisors is an integer number (58247605).

Almost surely, 2^116495209 is an apocalyptic number.

It is an amenable number.

116495209 is a deficient number, since it is larger than the sum of its proper divisors (1).

116495209 is an equidigital number, since it uses as much as digits as its factorization.

116495209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 116495209 is about 10793.2946313904. The cubic root of 116495209 is about 488.3929148247.

The spelling of 116495209 in words is "one hundred sixteen million, four hundred ninety-five thousand, two hundred nine".