542052 has 60 divisors (see below), whose sum is σ = 1626240. Its totient is φ = 154224.

The previous prime is 542027. The next prime is 542053. The reversal of 542052 is 250245.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (542053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2149 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (27104).

2⁵⁴²⁰⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813120).

542052 is an abundant number, since it is smaller than the sum of its proper divisors (1084188).

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

542052 is a wasteful number, since it uses less digits than its factorization.

542052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 542052 is about 736.2418081038. The cubic root of 542052 is about 81.5355459884.

Adding to 542052 its reverse (250245), we get a palindrome (792297).

The spelling of 542052 in words is "five hundred forty-two thousand, fifty-two".