542424 has 32 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 178176.

The previous prime is 542401. The next prime is 542441. The reversal of 542424 is 424245.

It is a self number, because there is not a number n which added to its sum of digits gives 542424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2212 + ... + 2444.

2⁵⁴²⁴²⁴ is an apocalyptic number.

It is an amenable number.

542424 is an abundant number, since it is smaller than the sum of its proper divisors (833496).

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

542424 is a wasteful number, since it uses less digits than its factorization.

542424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 335 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 542424 is about 736.4943991640. The cubic root of 542424 is about 81.5541938225.

Adding to 542424 its reverse (424245), we get a palindrome (966669).

The spelling of 542424 in words is "five hundred forty-two thousand, four hundred twenty-four".