241565879 has 2 divisors, whose sum is σ = 241565880. Its totient is φ = 241565878.

The previous prime is 241565851. The next prime is 241565881. The reversal of 241565879 is 978565142.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241565879 is a prime.

Together with 241565881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241565839) 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, 120782939 + 120782940.

It is an arithmetic number, because the mean of its divisors is an integer number (120782940).

Almost surely, 2^241565879 is an apocalyptic number.

241565879 is a deficient number, since it is larger than the sum of its proper divisors (1).

241565879 is an equidigital number, since it uses as much as digits as its factorization.

241565879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 241565879 is about 15542.3897454671. The cubic root of 241565879 is about 622.7951141255.

The spelling of 241565879 in words is "two hundred forty-one million, five hundred sixty-five thousand, eight hundred seventy-nine".