41242543 has 2 divisors, whose sum is σ = 41242544. Its totient is φ = 41242542.

The previous prime is 41242529. The next prime is 41242567. The reversal of 41242543 is 34524214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41242543 - 2¹⁷ = 41111471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41242043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20621271 + 20621272.

It is an arithmetic number, because the mean of its divisors is an integer number (20621272).

Almost surely, 2^41242543 is an apocalyptic number.

41242543 is a deficient number, since it is larger than the sum of its proper divisors (1).

41242543 is an equidigital number, since it uses as much as digits as its factorization.

41242543 is an odious number, because the sum of its binary digits is odd.

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

The square root of 41242543 is about 6422.0357364312. The cubic root of 41242543 is about 345.5003396292.

Adding to 41242543 its reverse (34524214), we get a palindrome (75766757).

The spelling of 41242543 in words is "forty-one million, two hundred forty-two thousand, five hundred forty-three".