255110161 has 2 divisors, whose sum is σ = 255110162. Its totient is φ = 255110160.

The previous prime is 255110111. The next prime is 255110189. The reversal of 255110161 is 161011552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205492225 + 49617936 = 14335^2 + 7044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255110161 is a prime.

It is not a weakly prime, because it can be changed into another prime (255110111) 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, 127555080 + 127555081.

It is an arithmetic number, because the mean of its divisors is an integer number (127555081).

Almost surely, 2^255110161 is an apocalyptic number.

It is an amenable number.

255110161 is a deficient number, since it is larger than the sum of its proper divisors (1).

255110161 is an equidigital number, since it uses as much as digits as its factorization.

255110161 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 255110161 is about 15972.1683249332. The cubic root of 255110161 is about 634.2238733111.

The spelling of 255110161 in words is "two hundred fifty-five million, one hundred ten thousand, one hundred sixty-one".