853453 has 4 divisors (see below), whose sum is σ = 855360. Its totient is φ = 851548.

The previous prime is 853439. The next prime is 853477. The reversal of 853453 is 354358.

853453 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 853453 - 2¹³ = 845261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

2⁸⁵³⁴⁵³ is an apocalyptic number.

It is an amenable number.

853453 is a deficient number, since it is larger than the sum of its proper divisors (1907).

853453 is a wasteful number, since it uses less digits than its factorization.

853453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906.

The product of its digits is 7200, while the sum is 28.

The square root of 853453 is about 923.8251999161. The cubic root of 853453 is about 94.8549216788.

The spelling of 853453 in words is "eight hundred fifty-three thousand, four hundred fifty-three".