853289 has 2 divisors, whose sum is σ = 853290. Its totient is φ = 853288.

The previous prime is 853283. The next prime is 853291. The reversal of 853289 is 982358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846400 + 6889 = 920^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 853289 - 2⁸ = 853033 is a prime.

Together with 853291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (853283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426644 + 426645.

It is an arithmetic number, because the mean of its divisors is an integer number (426645).

2⁸⁵³²⁸⁹ is an apocalyptic number.

It is an amenable number.

853289 is a deficient number, since it is larger than the sum of its proper divisors (1).

853289 is an equidigital number, since it uses as much as digits as its factorization.

853289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 853289 is about 923.7364342712. The cubic root of 853289 is about 94.8488454982.

The spelling of 853289 in words is "eight hundred fifty-three thousand, two hundred eighty-nine".