235542 has 16 divisors (see below), whose sum is σ = 484272. Its totient is φ = 76320.

The previous prime is 235541. The next prime is 235553. The reversal of 235542 is 245532.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (30267).

2²³⁵⁵⁴² is an apocalyptic number.

235542 is an abundant number, since it is smaller than the sum of its proper divisors (248730).

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

235542 is a wasteful number, since it uses less digits than its factorization.

235542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

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

The square root of 235542 is about 485.3266940938. The cubic root of 235542 is about 61.7574638434.

It can be divided in two parts, 235 and 542, that added together give a palindrome (777).

The spelling of 235542 in words is "two hundred thirty-five thousand, five hundred forty-two".