853189 has 2 divisors, whose sum is σ = 853190. Its totient is φ = 853188.

The previous prime is 853187. The next prime is 853211. The reversal of 853189 is 981358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613089 + 240100 = 783^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 853189 - 2¹ = 853187 is a prime.

Together with 853187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426594 + 426595.

It is an arithmetic number, because the mean of its divisors is an integer number (426595).

2⁸⁵³¹⁸⁹ is an apocalyptic number.

It is an amenable number.

853189 is a deficient number, since it is larger than the sum of its proper divisors (1).

853189 is an equidigital number, since it uses as much as digits as its factorization.

853189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 853189 is about 923.6823046914. The cubic root of 853189 is about 94.8451401279.

The spelling of 853189 in words is "eight hundred fifty-three thousand, one hundred eighty-nine".