240241543 has 2 divisors, whose sum is σ = 240241544. Its totient is φ = 240241542.

The previous prime is 240241531. The next prime is 240241577. The reversal of 240241543 is 345142042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240241543 - 2⁵ = 240241511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240241513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120120771 + 120120772.

It is an arithmetic number, because the mean of its divisors is an integer number (120120772).

Almost surely, 2^240241543 is an apocalyptic number.

240241543 is a deficient number, since it is larger than the sum of its proper divisors (1).

240241543 is an equidigital number, since it uses as much as digits as its factorization.

240241543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 240241543 is about 15499.7271911476. The cubic root of 240241543 is about 621.6549119176.

Adding to 240241543 its reverse (345142042), we get a palindrome (585383585).

The spelling of 240241543 in words is "two hundred forty million, two hundred forty-one thousand, five hundred forty-three".