225636113 has 2 divisors, whose sum is σ = 225636114. Its totient is φ = 225636112.

The previous prime is 225636091. The next prime is 225636157. The reversal of 225636113 is 311636522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203433169 + 22202944 = 14263^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 225636113 - 2⁸ = 225635857 is a prime.

It is not a weakly prime, because it can be changed into another prime (225636193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112818056 + 112818057.

It is an arithmetic number, because the mean of its divisors is an integer number (112818057).

Almost surely, 2^225636113 is an apocalyptic number.

It is an amenable number.

225636113 is a deficient number, since it is larger than the sum of its proper divisors (1).

225636113 is an equidigital number, since it uses as much as digits as its factorization.

225636113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 225636113 is about 15021.1888011569. The cubic root of 225636113 is about 608.7928406535.

The spelling of 225636113 in words is "two hundred twenty-five million, six hundred thirty-six thousand, one hundred thirteen".