115249049 has 2 divisors, whose sum is σ = 115249050. Its totient is φ = 115249048.

The previous prime is 115249031. The next prime is 115249051. The reversal of 115249049 is 940942511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70023424 + 45225625 = 8368^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 115249049 - 2²⁰ = 114200473 is a prime.

Together with 115249051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115249019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57624524 + 57624525.

It is an arithmetic number, because the mean of its divisors is an integer number (57624525).

Almost surely, 2^115249049 is an apocalyptic number.

It is an amenable number.

115249049 is a deficient number, since it is larger than the sum of its proper divisors (1).

115249049 is an equidigital number, since it uses as much as digits as its factorization.

115249049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 115249049 is about 10735.4109842148. The cubic root of 115249049 is about 486.6452067746.

The spelling of 115249049 in words is "one hundred fifteen million, two hundred forty-nine thousand, forty-nine".