241561943 has 4 divisors (see below), whose sum is σ = 276070800. Its totient is φ = 207053088.

The previous prime is 241561861. The next prime is 241561961. The reversal of 241561943 is 349165142.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 241561943 - 2¹⁰ = 241560919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241561963) 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 in 3 ways as a sum of consecutive naturals, for example, 17254418 + ... + 17254431.

It is an arithmetic number, because the mean of its divisors is an integer number (69017700).

Almost surely, 2^241561943 is an apocalyptic number.

241561943 is a deficient number, since it is larger than the sum of its proper divisors (34508857).

241561943 is an equidigital number, since it uses as much as digits as its factorization.

241561943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34508856.

The product of its digits is 25920, while the sum is 35.

The square root of 241561943 is about 15542.2631234965. The cubic root of 241561943 is about 622.7917315633.

The spelling of 241561943 in words is "two hundred forty-one million, five hundred sixty-one thousand, nine hundred forty-three".