225133 has 2 divisors, whose sum is σ = 225134. Its totient is φ = 225132.

The previous prime is 225119. The next prime is 225143. The reversal of 225133 is 331522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 110889 = 338^2 + 333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112566 + 112567.

It is an arithmetic number, because the mean of its divisors is an integer number (112567).

2²²⁵¹³³ is an apocalyptic number.

It is an amenable number.

225133 is a deficient number, since it is larger than the sum of its proper divisors (1).

225133 is an equidigital number, since it uses as much as digits as its factorization.

225133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 16.

The square root of 225133 is about 474.4818226234. The cubic root of 225133 is about 60.8340017858.

Adding to 225133 its reverse (331522), we get a palindrome (556655).

The spelling of 225133 in words is "two hundred twenty-five thousand, one hundred thirty-three".