542532 has 24 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 174496.

The previous prime is 542519. The next prime is 542533. The reversal of 542532 is 235245.

It is a junction number, because it is equal to n+sod(n) for n = 542499 and 542508.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542532.

It is not an unprimeable number, because it can be changed into a prime (542533) by changing a digit.

542532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 432 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2⁵⁴²⁵³² is an apocalyptic number.

It is an amenable number.

542532 is an abundant number, since it is smaller than the sum of its proper divisors (767868).

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

542532 is a wasteful number, since it uses less digits than its factorization.

542532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1593 counting only the distinct ones).

The product of its digits is 1200, while the sum is 21.

The square root of 542532 is about 736.5677158279. The cubic root of 542532 is about 81.5596061127.

Adding to 542532 its reverse (235245), we get a palindrome (777777).

The spelling of 542532 in words is "five hundred forty-two thousand, five hundred thirty-two".