115885225 has 9 divisors (see below), whose sum is σ = 143764453. Its totient is φ = 92665120.

The previous prime is 115885219. The next prime is 115885241. The reversal of 115885225 is 522588511.

The square root of 115885225 is 10765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 42680089 + 73205136 = 6533^2 + 8556^2 .

It is not a de Polignac number, because 115885225 - 2⁷ = 115885097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52749 + ... + 54901.

Almost surely, 2^115885225 is an apocalyptic number.

115885225 is the 10765-th square number.

115885225 is the 5383-rd centered octagonal number.

It is an amenable number.

115885225 is a deficient number, since it is larger than the sum of its proper divisors (27879228).

115885225 is an frugal number, since it uses more digits than its factorization.

115885225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316 (or 2158 counting only the distinct ones).

The product of its digits is 32000, while the sum is 37.

The cubic root of 115885225 is about 487.5389931554.

The spelling of 115885225 in words is "one hundred fifteen million, eight hundred eighty-five thousand, two hundred twenty-five".