853045 has 4 divisors (see below), whose sum is σ = 1023660. Its totient is φ = 682432.

The previous prime is 853033. The next prime is 853049. The reversal of 853045 is 540358.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 485809 + 367236 = 697^2 + 606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853049) 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, 85300 + ... + 85309.

It is an arithmetic number, because the mean of its divisors is an integer number (255915).

2⁸⁵³⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

853045 is a deficient number, since it is larger than the sum of its proper divisors (170615).

853045 is a wasteful number, since it uses less digits than its factorization.

853045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170614.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 853045 is about 923.6043525233. The cubic root of 853045 is about 94.8398038860.

The spelling of 853045 in words is "eight hundred fifty-three thousand, forty-five".