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214275161 is a prime number
BaseRepresentation
bin11001100010110…
…01010001011001
3112221012022021002
430301121101121
5414323301121
633132354345
75211210632
oct1461312131
9487168232
10214275161
11aaa53111
125b9159b5
1335514a49
142065a889
1513c28e0b
hexcc59459

214275161 has 2 divisors, whose sum is σ = 214275162. Its totient is φ = 214275160.

The previous prime is 214275151. The next prime is 214275163. The reversal of 214275161 is 161572412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193627225 + 20647936 = 13915^2 + 4544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214275161 is a prime.

It is a Sophie Germain prime.

Together with 214275163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p11824328 and since 214275161 and 11824328 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (214275163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107137580 + 107137581.

It is an arithmetic number, because the mean of its divisors is an integer number (107137581).

Almost surely, 2214275161 is an apocalyptic number.

It is an amenable number.

214275161 is a deficient number, since it is larger than the sum of its proper divisors (1).

214275161 is an equidigital number, since it uses as much as digits as its factorization.

214275161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 214275161 is about 14638.1406264594. The cubic root of 214275161 is about 598.3986568207.

The spelling of 214275161 in words is "two hundred fourteen million, two hundred seventy-five thousand, one hundred sixty-one".