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255255211 is a prime number
BaseRepresentation
bin11110011011011…
…10001010101011
3122210022022022201
433031232022223
51010321131321
641155001031
76216430201
oct1715561253
9583268281
10255255211
111210a3022
1271599177
1340b626b3
1425c87071
1517621291
hexf36e2ab

255255211 has 2 divisors, whose sum is σ = 255255212. Its totient is φ = 255255210.

The previous prime is 255255199. The next prime is 255255251. The reversal of 255255211 is 112552552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255255211 - 219 = 254730923 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255255211.

It is not a weakly prime, because it can be changed into another prime (255255251) 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, 127627605 + 127627606.

It is an arithmetic number, because the mean of its divisors is an integer number (127627606).

Almost surely, 2255255211 is an apocalyptic number.

255255211 is a deficient number, since it is larger than the sum of its proper divisors (1).

255255211 is an equidigital number, since it uses as much as digits as its factorization.

255255211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5000, while the sum is 28.

The square root of 255255211 is about 15976.7083906542. The cubic root of 255255211 is about 634.3440524299.

The spelling of 255255211 in words is "two hundred fifty-five million, two hundred fifty-five thousand, two hundred eleven".