Search a number
-
+
225345079 is a prime number
BaseRepresentation
bin11010110111001…
…11111000110111
3120201000201100001
431123213320313
5430142020304
634205532131
75404254511
oct1533477067
9521021301
10225345079
11106224103
1263574047
13378bc5ab
1421cdcbb1
1514bb3da4
hexd6e7e37

225345079 has 2 divisors, whose sum is σ = 225345080. Its totient is φ = 225345078.

The previous prime is 225345077. The next prime is 225345089. The reversal of 225345079 is 970543522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225345079 - 21 = 225345077 is a prime.

Together with 225345077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225345077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112672539 + 112672540.

It is an arithmetic number, because the mean of its divisors is an integer number (112672540).

Almost surely, 2225345079 is an apocalyptic number.

225345079 is a deficient number, since it is larger than the sum of its proper divisors (1).

225345079 is an equidigital number, since it uses as much as digits as its factorization.

225345079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 225345079 is about 15011.4982263597. The cubic root of 225345079 is about 608.5309800180.

The spelling of 225345079 in words is "two hundred twenty-five million, three hundred forty-five thousand, seventy-nine".