234181 has 2 divisors, whose sum is σ = 234182. Its totient is φ = 234180.

The previous prime is 234167. The next prime is 234187. The reversal of 234181 is 181432.

234181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 17956 = 465^2 + 134^2 .

It is a cyclic number.

It is not a de Polignac number, because 234181 - 2⁵ = 234149 is a prime.

It is a super-2 number, since 2×234181² = 109681481522, which contains 22 as substring.

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

234181 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234187) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117090 + 117091.

It is an arithmetic number, because the mean of its divisors is an integer number (117091).

2²³⁴¹⁸¹ is an apocalyptic number.

It is an amenable number.

234181 is a deficient number, since it is larger than the sum of its proper divisors (1).

234181 is an equidigital number, since it uses as much as digits as its factorization.

234181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 234181 is about 483.9225144587. The cubic root of 234181 is about 61.6382857796.

The spelling of 234181 in words is "two hundred thirty-four thousand, one hundred eighty-one".