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225253387 is a prime number
BaseRepresentation
bin11010110110100…
…01100000001011
3120200212001120001
431123101200023
5430131102022
634203543431
75403423262
oct1533214013
9520761501
10225253387
11106171227
126352ab77
1337889938
1421cb75d9
1514b96b27
hexd6d180b

225253387 has 2 divisors, whose sum is σ = 225253388. Its totient is φ = 225253386.

The previous prime is 225253381. The next prime is 225253453. The reversal of 225253387 is 783352522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225253387 - 223 = 216864779 is a prime.

It is not a weakly prime, because it can be changed into another prime (225253381) 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, 112626693 + 112626694.

It is an arithmetic number, because the mean of its divisors is an integer number (112626694).

Almost surely, 2225253387 is an apocalyptic number.

225253387 is a deficient number, since it is larger than the sum of its proper divisors (1).

225253387 is an equidigital number, since it uses as much as digits as its factorization.

225253387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 225253387 is about 15008.4438567095. The cubic root of 225253387 is about 608.4484325572.

The spelling of 225253387 in words is "two hundred twenty-five million, two hundred fifty-three thousand, three hundred eighty-seven".