241236161 has 2 divisors, whose sum is σ = 241236162. Its totient is φ = 241236160.

The previous prime is 241236131. The next prime is 241236209. The reversal of 241236161 is 161632142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137827600 + 103408561 = 11740^2 + 10169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241236161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241236161.

It is not a weakly prime, because it can be changed into another prime (241236131) 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, 120618080 + 120618081.

It is an arithmetic number, because the mean of its divisors is an integer number (120618081).

Almost surely, 2^241236161 is an apocalyptic number.

It is an amenable number.

241236161 is a deficient number, since it is larger than the sum of its proper divisors (1).

241236161 is an equidigital number, since it uses as much as digits as its factorization.

241236161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 241236161 is about 15531.7790674475. The cubic root of 241236161 is about 622.5116300252.

The spelling of 241236161 in words is "two hundred forty-one million, two hundred thirty-six thousand, one hundred sixty-one".