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225475361 is a prime number
BaseRepresentation
bin11010111000001…
…11101100100001
3120201021100001022
431130013230201
5430210202421
634212415225
75405336366
oct1534075441
9521240038
10225475361
11106302a81
1263617515
1337936997
1421d3446d
1514bdc7ab
hexd707b21

225475361 has 2 divisors, whose sum is σ = 225475362. Its totient is φ = 225475360.

The previous prime is 225475357. The next prime is 225475363. The reversal of 225475361 is 163574522.

225475361 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., 223054225 + 2421136 = 14935^2 + 1556^2 .

It is a cyclic number.

It is not a de Polignac number, because 225475361 - 22 = 225475357 is a prime.

Together with 225475363, 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 (225475363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112737680 + 112737681.

It is an arithmetic number, because the mean of its divisors is an integer number (112737681).

Almost surely, 2225475361 is an apocalyptic number.

It is an amenable number.

225475361 is a deficient number, since it is larger than the sum of its proper divisors (1).

225475361 is an equidigital number, since it uses as much as digits as its factorization.

225475361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 225475361 is about 15015.8370063077. The cubic root of 225475361 is about 608.6482303552.

The spelling of 225475361 in words is "two hundred twenty-five million, four hundred seventy-five thousand, three hundred sixty-one".