853091 has 2 divisors, whose sum is σ = 853092. Its totient is φ = 853090.

The previous prime is 853079. The next prime is 853103. The reversal of 853091 is 190358.

It is a balanced prime because it is at equal distance from previous prime (853079) and next prime (853103).

It is a cyclic number.

It is not a de Polignac number, because 853091 - 2¹⁴ = 836707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853091.

It is not a weakly prime, because it can be changed into another prime (853031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426545 + 426546.

It is an arithmetic number, because the mean of its divisors is an integer number (426546).

2⁸⁵³⁰⁹¹ is an apocalyptic number.

853091 is a deficient number, since it is larger than the sum of its proper divisors (1).

853091 is an equidigital number, since it uses as much as digits as its factorization.

853091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 853091 is about 923.6292546255. The cubic root of 853091 is about 94.8415085841.

The spelling of 853091 in words is "eight hundred fifty-three thousand, ninety-one".