201225133 has 2 divisors, whose sum is σ = 201225134. Its totient is φ = 201225132.

The previous prime is 201225097. The next prime is 201225149. The reversal of 201225133 is 331522102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157427209 + 43797924 = 12547^2 + 6618^2 .

It is a cyclic number.

It is not a de Polignac number, because 201225133 - 2¹³ = 201216941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201225133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201225833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100612566 + 100612567.

It is an arithmetic number, because the mean of its divisors is an integer number (100612567).

Almost surely, 2^201225133 is an apocalyptic number.

It is an amenable number.

201225133 is a deficient number, since it is larger than the sum of its proper divisors (1).

201225133 is an equidigital number, since it uses as much as digits as its factorization.

201225133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 201225133 is about 14185.3844854484. The cubic root of 201225133 is about 585.9952212216.

Adding to 201225133 its reverse (331522102), we get a palindrome (532747235).

The spelling of 201225133 in words is "two hundred one million, two hundred twenty-five thousand, one hundred thirty-three".