113447025 has 18 divisors (see below), whose sum is σ = 203196630. Its totient is φ = 60504960.

The previous prime is 113447021. The next prime is 113447039. The reversal of 113447025 is 520744311.

It can be written as a sum of positive squares in 3 ways, for example, as 26286129 + 87160896 = 5127^2 + 9336^2 .

It is not a de Polignac number, because 113447025 - 2² = 113447021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113447025.

It is not an unprimeable number, because it can be changed into a prime (113447021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 251880 + ... + 252329.

Almost surely, 2^113447025 is an apocalyptic number.

113447025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113447025 is a deficient number, since it is larger than the sum of its proper divisors (89749605).

113447025 is a wasteful number, since it uses less digits than its factorization.

113447025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504225 (or 504217 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 113447025 is about 10651.1513462161. The cubic root of 113447025 is about 484.0954906301.

The spelling of 113447025 in words is "one hundred thirteen million, four hundred forty-seven thousand, twenty-five".