225541133 has 2 divisors, whose sum is σ = 225541134. Its totient is φ = 225541132.

The previous prime is 225541111. The next prime is 225541139. The reversal of 225541133 is 331145522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188732644 + 36808489 = 13738^2 + 6067^2 .

It is a cyclic number.

It is not a de Polignac number, because 225541133 - 2²⁴ = 208763917 is a prime.

It is equal to p_12410855 and since 225541133 and 12410855 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225541139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112770566 + 112770567.

It is an arithmetic number, because the mean of its divisors is an integer number (112770567).

Almost surely, 2^225541133 is an apocalyptic number.

It is an amenable number.

225541133 is a deficient number, since it is larger than the sum of its proper divisors (1).

225541133 is an equidigital number, since it uses as much as digits as its factorization.

225541133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 225541133 is about 15018.0269343213. The cubic root of 225541133 is about 608.7074062512.

Adding to 225541133 its reverse (331145522), we get a palindrome (556686655).

The spelling of 225541133 in words is "two hundred twenty-five million, five hundred forty-one thousand, one hundred thirty-three".