116502569 has 2 divisors, whose sum is σ = 116502570. Its totient is φ = 116502568.

The previous prime is 116502539. The next prime is 116502571. The reversal of 116502569 is 965205611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114746944 + 1755625 = 10712^2 + 1325^2 .

It is an emirp because it is prime and its reverse (965205611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116502569 is a prime.

It is a super-2 number, since 2×116502569² = 27145697167199522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 116502571, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (116502539) 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, 58251284 + 58251285.

It is an arithmetic number, because the mean of its divisors is an integer number (58251285).

Almost surely, 2^116502569 is an apocalyptic number.

It is an amenable number.

116502569 is a deficient number, since it is larger than the sum of its proper divisors (1).

116502569 is an equidigital number, since it uses as much as digits as its factorization.

116502569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 116502569 is about 10793.6355784323. The cubic root of 116502569 is about 488.4031999290.

The spelling of 116502569 in words is "one hundred sixteen million, five hundred two thousand, five hundred sixty-nine".