115785349 has 2 divisors, whose sum is σ = 115785350. Its totient is φ = 115785348.

The previous prime is 115785347. The next prime is 115785379. The reversal of 115785349 is 943587511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 33756100 = 9057^2 + 5810^2 .

It is an emirp because it is prime and its reverse (943587511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115785349 - 2¹ = 115785347 is a prime.

Together with 115785347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115785343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57892674 + 57892675.

It is an arithmetic number, because the mean of its divisors is an integer number (57892675).

Almost surely, 2^115785349 is an apocalyptic number.

It is an amenable number.

115785349 is a deficient number, since it is larger than the sum of its proper divisors (1).

115785349 is an equidigital number, since it uses as much as digits as its factorization.

115785349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 115785349 is about 10760.3600776182. The cubic root of 115785349 is about 487.3988906242.

The spelling of 115785349 in words is "one hundred fifteen million, seven hundred eighty-five thousand, three hundred forty-nine".