163535 has 4 divisors (see below), whose sum is σ = 196248. Its totient is φ = 130824.

The previous prime is 163517. The next prime is 163543. The reversal of 163535 is 535361.

Added to its reverse (535361) it gives a square (698896 = 836²).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163535 - 2¹⁴ = 147151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16349 + ... + 16358.

It is an arithmetic number, because the mean of its divisors is an integer number (49062).

2¹⁶³⁵³⁵ is an apocalyptic number.

163535 is a deficient number, since it is larger than the sum of its proper divisors (32713).

163535 is an equidigital number, since it uses as much as digits as its factorization.

163535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32712.

The product of its digits is 1350, while the sum is 23.

The square root of 163535 is about 404.3946092618. The cubic root of 163535 is about 54.6852546017.

Adding to 163535 its reverse (535361), we get a palindrome (698896).

It can be divided in two parts, 1 and 63535, that added together give a palindrome (63536).

The spelling of 163535 in words is "one hundred sixty-three thousand, five hundred thirty-five".