853249 has 4 divisors (see below), whose sum is σ = 873136. Its totient is φ = 833364.

The previous prime is 853241. The next prime is 853283. The reversal of 853249 is 942358.

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, and also an emirpimes, since its reverse is a distinct semiprime: 942358 = 2 ⋅471179.

It is a cyclic number.

It is not a de Polignac number, because 853249 - 2³ = 853241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 853249.

It is not an unprimeable number, because it can be changed into a prime (853241) 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, 9879 + ... + 9964.

It is an arithmetic number, because the mean of its divisors is an integer number (218284).

2⁸⁵³²⁴⁹ is an apocalyptic number.

It is an amenable number.

853249 is a deficient number, since it is larger than the sum of its proper divisors (19887).

853249 is a wasteful number, since it uses less digits than its factorization.

853249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886.

The product of its digits is 8640, while the sum is 31.

The square root of 853249 is about 923.7147828199. The cubic root of 853249 is about 94.8473633848.

The spelling of 853249 in words is "eight hundred fifty-three thousand, two hundred forty-nine".