241009591 has 2 divisors, whose sum is σ = 241009592. Its totient is φ = 241009590.

The previous prime is 241009589. The next prime is 241009607. The reversal of 241009591 is 195900142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241009591 - 2¹ = 241009589 is a prime.

Together with 241009589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241009501) 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, 120504795 + 120504796.

It is an arithmetic number, because the mean of its divisors is an integer number (120504796).

Almost surely, 2^241009591 is an apocalyptic number.

241009591 is a deficient number, since it is larger than the sum of its proper divisors (1).

241009591 is an equidigital number, since it uses as much as digits as its factorization.

241009591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 241009591 is about 15524.4835984969. The cubic root of 241009591 is about 622.3166804810.

The spelling of 241009591 in words is "two hundred forty-one million, nine thousand, five hundred ninety-one".