241112561 has 2 divisors, whose sum is σ = 241112562. Its totient is φ = 241112560.

The previous prime is 241112549. The next prime is 241112563. The reversal of 241112561 is 165211142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223681936 + 17430625 = 14956^2 + 4175^2 .

It is a cyclic number.

It is not a de Polignac number, because 241112561 - 2²² = 236918257 is a prime.

Together with 241112563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (241112563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120556280 + 120556281.

It is an arithmetic number, because the mean of its divisors is an integer number (120556281).

Almost surely, 2^241112561 is an apocalyptic number.

It is an amenable number.

241112561 is a deficient number, since it is larger than the sum of its proper divisors (1).

241112561 is an equidigital number, since it uses as much as digits as its factorization.

241112561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 241112561 is about 15527.7996187483. The cubic root of 241112561 is about 622.4052949694.

The spelling of 241112561 in words is "two hundred forty-one million, one hundred twelve thousand, five hundred sixty-one".