115253909 has 4 divisors (see below), whose sum is σ = 115617804. Its totient is φ = 114890016.

The previous prime is 115253891. The next prime is 115253947. The reversal of 115253909 is 909352511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 909352511 = 3511 ⋅259001.

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 103591684 = 3415^2 + 10178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115253909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115255909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181472 + ... + 182105.

It is an arithmetic number, because the mean of its divisors is an integer number (28904451).

Almost surely, 2^115253909 is an apocalyptic number.

It is an amenable number.

115253909 is a deficient number, since it is larger than the sum of its proper divisors (363895).

115253909 is an equidigital number, since it uses as much as digits as its factorization.

115253909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363894.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 115253909 is about 10735.6373355288. The cubic root of 115253909 is about 486.6520472141.

The spelling of 115253909 in words is "one hundred fifteen million, two hundred fifty-three thousand, nine hundred nine".