Search a number
-
+
225225523 is a prime number
BaseRepresentation
bin11010110110010…
…10101100110011
3120200210122100001
431123022230303
5430124204043
634203210431
75403246115
oct1533125463
9520718301
10225225523
111061522a6
1263516a17
133787a053
1421cab3b5
1514b8d74d
hexd6cab33

225225523 has 2 divisors, whose sum is σ = 225225524. Its totient is φ = 225225522.

The previous prime is 225225521. The next prime is 225225589. The reversal of 225225523 is 325522522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225225523 - 21 = 225225521 is a prime.

Together with 225225521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 225225491 and 225225500.

It is not a weakly prime, because it can be changed into another prime (225225521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112612761 + 112612762.

It is an arithmetic number, because the mean of its divisors is an integer number (112612762).

Almost surely, 2225225523 is an apocalyptic number.

225225523 is a deficient number, since it is larger than the sum of its proper divisors (1).

225225523 is an equidigital number, since it uses as much as digits as its factorization.

225225523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 28.

The square root of 225225523 is about 15007.5155505500. The cubic root of 225225523 is about 608.4233430251.

The spelling of 225225523 in words is "two hundred twenty-five million, two hundred twenty-five thousand, five hundred twenty-three".