115605949 has 2 divisors, whose sum is σ = 115605950. Its totient is φ = 115605948.

The previous prime is 115605881. The next prime is 115605953. The reversal of 115605949 is 949506511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113103225 + 2502724 = 10635^2 + 1582^2 .

It is an emirp because it is prime and its reverse (949506511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115605949 - 2¹⁹ = 115081661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115600949) 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, 57802974 + 57802975.

It is an arithmetic number, because the mean of its divisors is an integer number (57802975).

Almost surely, 2^115605949 is an apocalyptic number.

It is an amenable number.

115605949 is a deficient number, since it is larger than the sum of its proper divisors (1).

115605949 is an equidigital number, since it uses as much as digits as its factorization.

115605949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 115605949 is about 10752.0206938045. The cubic root of 115605949 is about 487.1470321617.

The spelling of 115605949 in words is "one hundred fifteen million, six hundred five thousand, nine hundred forty-nine".