853535 has 4 divisors (see below), whose sum is σ = 1024248. Its totient is φ = 682824.

The previous prime is 853529. The next prime is 853543. The reversal of 853535 is 535358.

853535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535358 = 2 ⋅267679.

It is a cyclic number.

It is not a de Polignac number, because 853535 - 2¹⁶ = 787999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 853498 and 853507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85349 + ... + 85358.

It is an arithmetic number, because the mean of its divisors is an integer number (256062).

2⁸⁵³⁵³⁵ is an apocalyptic number.

853535 is a deficient number, since it is larger than the sum of its proper divisors (170713).

853535 is a wasteful number, since it uses less digits than its factorization.

853535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170712.

The product of its digits is 9000, while the sum is 29.

The square root of 853535 is about 923.8695795403. The cubic root of 853535 is about 94.8579594772.

It can be divided in two parts, 85353 and 5, that added together give a palindrome (85358).

The spelling of 853535 in words is "eight hundred fifty-three thousand, five hundred thirty-five".