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225313241 is a prime number
BaseRepresentation
bin11010110111000…
…00000111011001
3120200222002122212
431123200013121
5430140010431
634205124505
75404062626
oct1533400731
9520862585
10225313241
1110620219a
1263559735
13378aac5a
1421cd134d
1514ba972b
hexd6e01d9

225313241 has 2 divisors, whose sum is σ = 225313242. Its totient is φ = 225313240.

The previous prime is 225313237. The next prime is 225313243. The reversal of 225313241 is 142313522.

225313241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225150025 + 163216 = 15005^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 225313241 - 22 = 225313237 is a prime.

Together with 225313243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225313243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112656620 + 112656621.

It is an arithmetic number, because the mean of its divisors is an integer number (112656621).

Almost surely, 2225313241 is an apocalyptic number.

It is an amenable number.

225313241 is a deficient number, since it is larger than the sum of its proper divisors (1).

225313241 is an equidigital number, since it uses as much as digits as its factorization.

225313241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 225313241 is about 15010.4377351229. The cubic root of 225313241 is about 608.5023197932.

Adding to 225313241 its reverse (142313522), we get a palindrome (367626763).

The spelling of 225313241 in words is "two hundred twenty-five million, three hundred thirteen thousand, two hundred forty-one".