254330161 has 2 divisors, whose sum is σ = 254330162. Its totient is φ = 254330160.

The previous prime is 254330147. The next prime is 254330233. The reversal of 254330161 is 161033452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254211136 + 119025 = 15944^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 254330161 - 2⁵ = 254330129 is a prime.

It is not a weakly prime, because it can be changed into another prime (254330101) 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, 127165080 + 127165081.

It is an arithmetic number, because the mean of its divisors is an integer number (127165081).

Almost surely, 2^254330161 is an apocalyptic number.

It is an amenable number.

254330161 is a deficient number, since it is larger than the sum of its proper divisors (1).

254330161 is an equidigital number, since it uses as much as digits as its factorization.

254330161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 254330161 is about 15947.7321585234. The cubic root of 254330161 is about 633.5768330233.

The spelling of 254330161 in words is "two hundred fifty-four million, three hundred thirty thousand, one hundred sixty-one".