542452111 has 2 divisors, whose sum is σ = 542452112. Its totient is φ = 542452110.

The previous prime is 542452081. The next prime is 542452121. The reversal of 542452111 is 111254245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542452111 - 2⁹ = 542451599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542452121) 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, 271226055 + 271226056.

It is an arithmetic number, because the mean of its divisors is an integer number (271226056).

Almost surely, 2^542452111 is an apocalyptic number.

542452111 is a deficient number, since it is larger than the sum of its proper divisors (1).

542452111 is an equidigital number, since it uses as much as digits as its factorization.

542452111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 25.

The square root of 542452111 is about 23290.6013447485. The cubic root of 542452111 is about 815.5560264061.

The spelling of 542452111 in words is "five hundred forty-two million, four hundred fifty-two thousand, one hundred eleven".