240321241 has 2 divisors, whose sum is σ = 240321242. Its totient is φ = 240321240.

The previous prime is 240321233. The next prime is 240321259. The reversal of 240321241 is 142123042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218418841 + 21902400 = 14779^2 + 4680^2 .

It is a cyclic number.

It is not a de Polignac number, because 240321241 - 2³ = 240321233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240328241) 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 as a sum of consecutive naturals, namely, 120160620 + 120160621.

It is an arithmetic number, because the mean of its divisors is an integer number (120160621).

Almost surely, 2^240321241 is an apocalyptic number.

It is an amenable number.

240321241 is a deficient number, since it is larger than the sum of its proper divisors (1).

240321241 is an equidigital number, since it uses as much as digits as its factorization.

240321241 is an odious number, because the sum of its binary digits is odd.

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

The square root of 240321241 is about 15502.2979264366. The cubic root of 240321241 is about 621.7236471509.

Adding to 240321241 its reverse (142123042), we get a palindrome (382444283).

The spelling of 240321241 in words is "two hundred forty million, three hundred twenty-one thousand, two hundred forty-one".