241181 has 4 divisors (see below), whose sum is σ = 242172. Its totient is φ = 240192.

The previous prime is 241177. The next prime is 241183. The reversal of 241181 is 181142.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24025 + 217156 = 155^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 241181 - 2² = 241177 is a prime.

It is a super-2 number, since 2×241181² = 116336549522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (60543).

2²⁴¹¹⁸¹ is an apocalyptic number.

It is an amenable number.

241181 is a deficient number, since it is larger than the sum of its proper divisors (991).

241181 is an equidigital number, since it uses as much as digits as its factorization.

241181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 64, while the sum is 17.

The square root of 241181 is about 491.1018224360. The cubic root of 241181 is about 62.2464178624.

The spelling of 241181 in words is "two hundred forty-one thousand, one hundred eighty-one".