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2165027 is a prime number
BaseRepresentation
bin1000010000100100100011
311001222212012
420100210203
51023240102
6114223135
724255014
oct10204443
94058765
102165027
111249687
12884aab
135aa5a7
1440500b
152cb752
hex210923

2165027 has 2 divisors, whose sum is σ = 2165028. Its totient is φ = 2165026.

The previous prime is 2165017. The next prime is 2165029. The reversal of 2165027 is 7205612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2165027 - 26 = 2164963 is a prime.

Together with 2165029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2164993 and 2165011.

It is not a weakly prime, because it can be changed into another prime (2165029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082513 + 1082514.

It is an arithmetic number, because the mean of its divisors is an integer number (1082514).

22165027 is an apocalyptic number.

2165027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165027 is an equidigital number, since it uses as much as digits as its factorization.

2165027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2165027 is about 1471.4030719011. The cubic root of 2165027 is about 129.3662846627.

The spelling of 2165027 in words is "two million, one hundred sixty-five thousand, twenty-seven".