542252 has 12 divisors (see below), whose sum is σ = 979776. Its totient is φ = 262320.

The previous prime is 542251. The next prime is 542261. The reversal of 542252 is 252245.

It is not an unprimeable number, because it can be changed into a prime (542251) 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 3 ways as a sum of consecutive naturals, for example, 2063 + ... + 2310.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2⁵⁴²²⁵² is an apocalyptic number.

It is an amenable number.

542252 is a deficient number, since it is larger than the sum of its proper divisors (437524).

542252 is a wasteful number, since it uses less digits than its factorization.

542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4406 counting only the distinct ones).

The product of its digits is 800, while the sum is 20.

The square root of 542252 is about 736.3776205182. The cubic root of 542252 is about 81.5455727657.

Adding to 542252 its reverse (252245), we get a palindrome (794497).

The spelling of 542252 in words is "five hundred forty-two thousand, two hundred fifty-two".