241340221 has 2 divisors, whose sum is σ = 241340222. Its totient is φ = 241340220.

The previous prime is 241340213. The next prime is 241340251. The reversal of 241340221 is 122043142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230614596 + 10725625 = 15186^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 241340221 - 2³ = 241340213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241340201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120670110 + 120670111.

It is an arithmetic number, because the mean of its divisors is an integer number (120670111).

Almost surely, 2^241340221 is an apocalyptic number.

It is an amenable number.

241340221 is a deficient number, since it is larger than the sum of its proper divisors (1).

241340221 is an equidigital number, since it uses as much as digits as its factorization.

241340221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 241340221 is about 15535.1286122774. The cubic root of 241340221 is about 622.6011263482.

Adding to 241340221 its reverse (122043142), we get a palindrome (363383363).

The spelling of 241340221 in words is "two hundred forty-one million, three hundred forty thousand, two hundred twenty-one".