254161 has 2 divisors, whose sum is σ = 254162. Its totient is φ = 254160.

The previous prime is 254147. The next prime is 254179. The reversal of 254161 is 161452.

254161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207936 + 46225 = 456^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 254161 - 2¹⁵ = 221393 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p₂₂₃₇₅ and since 254161 and 22375 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (254141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127080 + 127081.

It is an arithmetic number, because the mean of its divisors is an integer number (127081).

2²⁵⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

254161 is a deficient number, since it is larger than the sum of its proper divisors (1).

254161 is an equidigital number, since it uses as much as digits as its factorization.

254161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 254161 is about 504.1438286838. The cubic root of 254161 is about 63.3436332894.

It can be divided in two parts, 25 and 4161, that added together give a triangular number (4186 = T₉₁).

The spelling of 254161 in words is "two hundred fifty-four thousand, one hundred sixty-one".