115808225 has 12 divisors (see below), whose sum is σ = 154648956. Its totient is φ = 85519680.

The previous prime is 115808221. The next prime is 115808237. The reversal of 115808225 is 522808511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 28217344 + 87590881 = 5312^2 + 9359^2 .

It is not a de Polignac number, because 115808225 - 2² = 115808221 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115808191 and 115808200.

It is not an unprimeable number, because it can be changed into a prime (115808221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177842 + ... + 178491.

It is an arithmetic number, because the mean of its divisors is an integer number (12887413).

Almost surely, 2^115808225 is an apocalyptic number.

It is an amenable number.

115808225 is a deficient number, since it is larger than the sum of its proper divisors (38840731).

115808225 is a wasteful number, since it uses less digits than its factorization.

115808225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356356 (or 356351 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 115808225 is about 10761.4230007002. The cubic root of 115808225 is about 487.4309873817.

The spelling of 115808225 in words is "one hundred fifteen million, eight hundred eight thousand, two hundred twenty-five".