211417133 has 2 divisors, whose sum is σ = 211417134. Its totient is φ = 211417132.
The previous prime is 211417121. The next prime is 211417153. The reversal of 211417133 is 331714112.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 210772324 + 644809 = 14518^2 + 803^2 .
It is a cyclic number.
It is not a de Polignac number, because 211417133 - 26 = 211417069 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 211417099 and 211417108.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (211417153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105708566 + 105708567.
It is an arithmetic number, because the mean of its divisors is an integer number (105708567).
Almost surely, 2211417133 is an apocalyptic number.
It is an amenable number.
211417133 is a deficient number, since it is larger than the sum of its proper divisors (1).
211417133 is an equidigital number, since it uses as much as digits as its factorization.
211417133 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 504, while the sum is 23.
The square root of 211417133 is about 14540.1902669807. The cubic root of 211417133 is about 595.7262351310.
The spelling of 211417133 in words is "two hundred eleven million, four hundred seventeen thousand, one hundred thirty-three".
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