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206527121 is a prime number
BaseRepresentation
bin11000100111101…
…01101010010001
3112101121122221122
430103311222101
5410332331441
632254332025
75055310613
oct1423655221
9471548848
10206527121
11a6640979
12591ba015
1333a311c8
141d600db3
15131e834b
hexc4f5a91

206527121 has 2 divisors, whose sum is σ = 206527122. Its totient is φ = 206527120.

The previous prime is 206527073. The next prime is 206527129. The reversal of 206527121 is 121725602.

206527121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126675025 + 79852096 = 11255^2 + 8936^2 .

It is a cyclic number.

It is not a de Polignac number, because 206527121 - 210 = 206526097 is a prime.

It is not a weakly prime, because it can be changed into another prime (206527129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103263560 + 103263561.

It is an arithmetic number, because the mean of its divisors is an integer number (103263561).

Almost surely, 2206527121 is an apocalyptic number.

It is an amenable number.

206527121 is a deficient number, since it is larger than the sum of its proper divisors (1).

206527121 is an equidigital number, since it uses as much as digits as its factorization.

206527121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 206527121 is about 14371.0514924970. The cubic root of 206527121 is about 591.0973744997.

The spelling of 206527121 in words is "two hundred six million, five hundred twenty-seven thousand, one hundred twenty-one".