542441 has 2 divisors, whose sum is σ = 542442. Its totient is φ = 542440.

The previous prime is 542401. The next prime is 542447. The reversal of 542441 is 144245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 52441 = 700^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 542441 - 2¹⁰ = 541417 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542441.

It is not a weakly prime, because it can be changed into another prime (542447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271220 + 271221.

It is an arithmetic number, because the mean of its divisors is an integer number (271221).

2⁵⁴²⁴⁴¹ is an apocalyptic number.

It is an amenable number.

542441 is a deficient number, since it is larger than the sum of its proper divisors (1).

542441 is an equidigital number, since it uses as much as digits as its factorization.

542441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 20.

The square root of 542441 is about 736.5059402340. The cubic root of 542441 is about 81.5550458047. Note that the first 3 decimals are identical.

Adding to 542441 its reverse (144245), we get a palindrome (686686).

It can be divided in two parts, 54244 and 1, that added together give a palindrome (54245).

The spelling of 542441 in words is "five hundred forty-two thousand, four hundred forty-one".