115025231 has 6 divisors (see below), whose sum is σ = 120244320. Its totient is φ = 110023628.

The previous prime is 115025227. The next prime is 115025243. The reversal of 115025231 is 132520511.

It is a happy number.

It is not a de Polignac number, because 115025231 - 2² = 115025227 is a prime.

It is a super-2 number, since 2×115025231² = 26461607533206722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115525231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108191 + ... + 109248.

It is an arithmetic number, because the mean of its divisors is an integer number (20040720).

Almost surely, 2^115025231 is an apocalyptic number.

115025231 is a deficient number, since it is larger than the sum of its proper divisors (5219089).

115025231 is an equidigital number, since it uses as much as digits as its factorization.

115025231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217485 (or 217462 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115025231 is about 10724.9816316859. The cubic root of 115025231 is about 486.3299748402.

Adding to 115025231 its reverse (132520511), we get a palindrome (247545742).

The spelling of 115025231 in words is "one hundred fifteen million, twenty-five thousand, two hundred thirty-one".