852491 has 4 divisors (see below), whose sum is σ = 867000. Its totient is φ = 837984.

The previous prime is 852463. The next prime is 852521. The reversal of 852491 is 194258.

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

It is a cyclic number.

It is not a de Polignac number, because 852491 - 2⁶ = 852427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7166 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (216750).

2⁸⁵²⁴⁹¹ is an apocalyptic number.

852491 is a deficient number, since it is larger than the sum of its proper divisors (14509).

852491 is a wasteful number, since it uses less digits than its factorization.

852491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14508.

The product of its digits is 2880, while the sum is 29.

The square root of 852491 is about 923.3043918449. The cubic root of 852491 is about 94.8192685764.

The spelling of 852491 in words is "eight hundred fifty-two thousand, four hundred ninety-one".