208851151 has 2 divisors, whose sum is σ = 208851152. Its totient is φ = 208851150.

The previous prime is 208851113. The next prime is 208851161. The reversal of 208851151 is 151158802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208851151 - 2⁹ = 208850639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208851161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104425575 + 104425576.

It is an arithmetic number, because the mean of its divisors is an integer number (104425576).

Almost surely, 2^208851151 is an apocalyptic number.

208851151 is a deficient number, since it is larger than the sum of its proper divisors (1).

208851151 is an equidigital number, since it uses as much as digits as its factorization.

208851151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 208851151 is about 14451.6833275574. The cubic root of 208851151 is about 593.3062969697.

The spelling of 208851151 in words is "two hundred eight million, eight hundred fifty-one thousand, one hundred fifty-one".