535542 has 32 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 148800.

The previous prime is 535529. The next prime is 535547. The reversal of 535542 is 245535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535547) by changing a digit.

535542 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁵³⁵⁵⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 535542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628992).

535542 is an abundant number, since it is smaller than the sum of its proper divisors (722442).

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

535542 is a wasteful number, since it uses less digits than its factorization.

535542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its digits is 3000, while the sum is 24.

The square root of 535542 is about 731.8073516985. The cubic root of 535542 is about 81.2078187364.

The spelling of 535542 in words is "five hundred thirty-five thousand, five hundred forty-two".