241557889 has 4 divisors (see below), whose sum is σ = 241617924. Its totient is φ = 241497856.

The previous prime is 241557881. The next prime is 241557917. The reversal of 241557889 is 988755142.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 132710400 + 108847489 = 11520^2 + 10433^2 .

It is a cyclic number.

It is not a de Polignac number, because 241557889 - 2³ = 241557881 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241557881) 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 in 3 ways as a sum of consecutive naturals, for example, 23512 + ... + 32185.

It is an arithmetic number, because the mean of its divisors is an integer number (60404481).

Almost surely, 2^241557889 is an apocalyptic number.

It is an amenable number.

241557889 is a deficient number, since it is larger than the sum of its proper divisors (60035).

241557889 is an equidigital number, since it uses as much as digits as its factorization.

241557889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60034.

The product of its digits is 806400, while the sum is 49.

The square root of 241557889 is about 15542.1327043620. The cubic root of 241557889 is about 622.7882475545.

The spelling of 241557889 in words is "two hundred forty-one million, five hundred fifty-seven thousand, eight hundred eighty-nine".