542612 has 12 divisors (see below), whose sum is σ = 1085280. Its totient is φ = 232536.

The previous prime is 542603. The next prime is 542683. The reversal of 542612 is 216245.

It is a happy number.

542612 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9662 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (90440).

2⁵⁴²⁶¹² is an apocalyptic number.

It is an amenable number.

542612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542612 is a wasteful number, since it uses less digits than its factorization.

542612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19390 (or 19388 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 542612 is about 736.6220197632. The cubic root of 542612 is about 81.5636147536.

Adding to 542612 its reverse (216245), we get a palindrome (758857).

The spelling of 542612 in words is "five hundred forty-two thousand, six hundred twelve".