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252012223 is a prime number
BaseRepresentation
bin11110000010101…
…10011010111111
3122120012112210001
433001112122333
51004003342343
641001255131
76150032341
oct1701263277
9576175701
10252012223
1111a288571
12704944a7
1340298578
1425681291
15171d044d
hexf0566bf

252012223 has 2 divisors, whose sum is σ = 252012224. Its totient is φ = 252012222.

The previous prime is 252012209. The next prime is 252012317. The reversal of 252012223 is 322210252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252012223 - 225 = 218457791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252012223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252012023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126006111 + 126006112.

It is an arithmetic number, because the mean of its divisors is an integer number (126006112).

Almost surely, 2252012223 is an apocalyptic number.

252012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

252012223 is an equidigital number, since it uses as much as digits as its factorization.

252012223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 252012223 is about 15874.8928500321. The cubic root of 252012223 is about 631.6461718840.

Adding to 252012223 its reverse (322210252), we get a palindrome (574222475).

The spelling of 252012223 in words is "two hundred fifty-two million, twelve thousand, two hundred twenty-three".