542533111 has 2 divisors, whose sum is σ = 542533112. Its totient is φ = 542533110.

The previous prime is 542533099. The next prime is 542533129. The reversal of 542533111 is 111335245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542533111 - 2⁷ = 542532983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542533141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271266555 + 271266556.

It is an arithmetic number, because the mean of its divisors is an integer number (271266556).

Almost surely, 2^542533111 is an apocalyptic number.

542533111 is a deficient number, since it is larger than the sum of its proper divisors (1).

542533111 is an equidigital number, since it uses as much as digits as its factorization.

542533111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 542533111 is about 23292.3401786939. The cubic root of 542533111 is about 815.5966178543.

Adding to 542533111 its reverse (111335245), we get a palindrome (653868356).

The spelling of 542533111 in words is "five hundred forty-two million, five hundred thirty-three thousand, one hundred eleven".