115004609 has 4 divisors (see below), whose sum is σ = 121769604. Its totient is φ = 108239616.

The previous prime is 115004597. The next prime is 115004611. The reversal of 115004609 is 906400511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79566400 + 35438209 = 8920^2 + 5953^2 .

It is a cyclic number.

It is not a de Polignac number, because 115004609 - 2⁸ = 115004353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115004639) 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, 3382472 + ... + 3382505.

It is an arithmetic number, because the mean of its divisors is an integer number (30442401).

Almost surely, 2^115004609 is an apocalyptic number.

It is an amenable number.

115004609 is a deficient number, since it is larger than the sum of its proper divisors (6764995).

115004609 is an equidigital number, since it uses as much as digits as its factorization.

115004609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764994.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 115004609 is about 10724.0201883435. The cubic root of 115004609 is about 486.3009096341.

The spelling of 115004609 in words is "one hundred fifteen million, four thousand, six hundred nine".