115647269 has 2 divisors, whose sum is σ = 115647270. Its totient is φ = 115647268.

The previous prime is 115647263. The next prime is 115647271. The reversal of 115647269 is 962746511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 407044 = 10735^2 + 638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115647269 is a prime.

It is a super-2 number, since 2×115647269² = 26748581654316722, which contains 22 as substring.

Together with 115647271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115647263) 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, 57823634 + 57823635.

It is an arithmetic number, because the mean of its divisors is an integer number (57823635).

Almost surely, 2^115647269 is an apocalyptic number.

It is an amenable number.

115647269 is a deficient number, since it is larger than the sum of its proper divisors (1).

115647269 is an equidigital number, since it uses as much as digits as its factorization.

115647269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 115647269 is about 10753.9420214171. The cubic root of 115647269 is about 487.2050641166.

The spelling of 115647269 in words is "one hundred fifteen million, six hundred forty-seven thousand, two hundred sixty-nine".