115604217 has 6 divisors (see below), whose sum is σ = 166983882. Its totient is φ = 77069472.

The previous prime is 115604207. The next prime is 115604221. The reversal of 115604217 is 712406511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100580841 + 15023376 = 10029^2 + 3876^2 .

It is not a de Polignac number, because 115604217 - 2¹⁴ = 115587833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115604207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6422448 + ... + 6422465.

It is an arithmetic number, because the mean of its divisors is an integer number (27830647).

Almost surely, 2^115604217 is an apocalyptic number.

It is an amenable number.

115604217 is a deficient number, since it is larger than the sum of its proper divisors (51379665).

115604217 is a wasteful number, since it uses less digits than its factorization.

115604217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844919 (or 12844916 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 115604217 is about 10751.9401505031. The cubic root of 115604217 is about 487.1445993489.

The spelling of 115604217 in words is "one hundred fifteen million, six hundred four thousand, two hundred seventeen".