206151151 has 2 divisors, whose sum is σ = 206151152. Its totient is φ = 206151150.

The previous prime is 206151149. The next prime is 206151181. The reversal of 206151151 is 151151602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206151151 - 2¹ = 206151149 is a prime.

Together with 206151149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206151181) 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, 103075575 + 103075576.

It is an arithmetic number, because the mean of its divisors is an integer number (103075576).

Almost surely, 2^206151151 is an apocalyptic number.

206151151 is a deficient number, since it is larger than the sum of its proper divisors (1).

206151151 is an equidigital number, since it uses as much as digits as its factorization.

206151151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 206151151 is about 14357.9647234558. The cubic root of 206151151 is about 590.7384710776.

The spelling of 206151151 in words is "two hundred six million, one hundred fifty-one thousand, one hundred fifty-one".