241565839 has 2 divisors, whose sum is σ = 241565840. Its totient is φ = 241565838.

The previous prime is 241565827. The next prime is 241565843. The reversal of 241565839 is 938565142.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 241565839 - 2⁹ = 241565327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241565795 and 241565804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241565879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120782919 + 120782920.

It is an arithmetic number, because the mean of its divisors is an integer number (120782920).

Almost surely, 2^241565839 is an apocalyptic number.

241565839 is a deficient number, since it is larger than the sum of its proper divisors (1).

241565839 is an equidigital number, since it uses as much as digits as its factorization.

241565839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 241565839 is about 15542.3884586636. The cubic root of 241565839 is about 622.7950797501.

The spelling of 241565839 in words is "two hundred forty-one million, five hundred sixty-five thousand, eight hundred thirty-nine".