542212 has 12 divisors (see below), whose sum is σ = 1035216. Its totient is φ = 246440.

The previous prime is 542207. The next prime is 542219. The reversal of 542212 is 212245.

It is not an unprimeable number, because it can be changed into a prime (542219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6118 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (86268).

2⁵⁴²²¹² is an apocalyptic number.

It is an amenable number.

542212 is a deficient number, since it is larger than the sum of its proper divisors (493004).

542212 is a wasteful number, since it uses less digits than its factorization.

542212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12338 (or 12336 counting only the distinct ones).

The product of its digits is 160, while the sum is 16.

The square root of 542212 is about 736.3504600392. The cubic root of 542212 is about 81.5435676075.

Adding to 542212 its reverse (212245), we get a palindrome (754457).

The spelling of 542212 in words is "five hundred forty-two thousand, two hundred twelve".