113806225 has 24 divisors (see below), whose sum is σ = 152710712. Its totient is φ = 83635200.

The previous prime is 113806213. The next prime is 113806243. The reversal of 113806225 is 522608311.

It is a Cunningham number, because it is equal to 10668²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 8928144 + 104878081 = 2988^2 + 10241^2 .

It is not a de Polignac number, because 113806225 - 2¹³ = 113798033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113806193 and 113806202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77599 + ... + 79051.

Almost surely, 2^113806225 is an apocalyptic number.

It is an amenable number.

113806225 is a deficient number, since it is larger than the sum of its proper divisors (38904487).

113806225 is a wasteful number, since it uses less digits than its factorization.

113806225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 113806225 is about 10668.0000468691. Note that the first 4 decimals coincide. The cubic root of 113806225 is about 484.6058724577.

The spelling of 113806225 in words is "one hundred thirteen million, eight hundred six thousand, two hundred twenty-five".