241326221 has 4 divisors (see below), whose sum is σ = 241386972. Its totient is φ = 241265472.

The previous prime is 241326199. The next prime is 241326223. The reversal of 241326221 is 122623142.

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 29041321 + 212284900 = 5389^2 + 14570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241326221 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 (241326223) 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, 23966 + ... + 32511.

It is an arithmetic number, because the mean of its divisors is an integer number (60346743).

Almost surely, 2^241326221 is an apocalyptic number.

It is an amenable number.

241326221 is a deficient number, since it is larger than the sum of its proper divisors (60751).

241326221 is an equidigital number, since it uses as much as digits as its factorization.

241326221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60750.

The product of its digits is 1152, while the sum is 23.

The square root of 241326221 is about 15534.6780140433. The cubic root of 241326221 is about 622.5890872107.

Adding to 241326221 its reverse (122623142), we get a palindrome (363949363).

The spelling of 241326221 in words is "two hundred forty-one million, three hundred twenty-six thousand, two hundred twenty-one".