542111 has 2 divisors, whose sum is σ = 542112. Its totient is φ = 542110.

The previous prime is 542093. The next prime is 542117. The reversal of 542111 is 111245.

542111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542111 - 2¹⁰ = 541087 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271055 + 271056.

It is an arithmetic number, because the mean of its divisors is an integer number (271056).

2⁵⁴²¹¹¹ is an apocalyptic number.

542111 is a deficient number, since it is larger than the sum of its proper divisors (1).

542111 is an equidigital number, since it uses as much as digits as its factorization.

542111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40, while the sum is 14.

The square root of 542111 is about 736.2818753711. The cubic root of 542111 is about 81.5385041442.

Adding to 542111 its reverse (111245), we get a palindrome (653356).

The spelling of 542111 in words is "five hundred forty-two thousand, one hundred eleven".