241333561 has 4 divisors (see below), whose sum is σ = 275809792. Its totient is φ = 206857332.

The previous prime is 241333529. The next prime is 241333567. The reversal of 241333561 is 165333142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 241333561 - 2⁵ = 241333529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241333567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17238105 + ... + 17238118.

It is an arithmetic number, because the mean of its divisors is an integer number (68952448).

Almost surely, 2^241333561 is an apocalyptic number.

It is an amenable number.

241333561 is a deficient number, since it is larger than the sum of its proper divisors (34476231).

241333561 is an equidigital number, since it uses as much as digits as its factorization.

241333561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34476230.

The product of its digits is 6480, while the sum is 28.

The square root of 241333561 is about 15534.9142578902. The cubic root of 241333561 is about 622.5953992166.

The spelling of 241333561 in words is "two hundred forty-one million, three hundred thirty-three thousand, five hundred sixty-one".