852171 has 4 divisors (see below), whose sum is σ = 1136232. Its totient is φ = 568112.

The previous prime is 852167. The next prime is 852179. The reversal of 852171 is 171258.

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 852171 - 2² = 852167 is a prime.

It is a D-number.

852171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (852179) 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, 142026 + ... + 142031.

It is an arithmetic number, because the mean of its divisors is an integer number (284058).

2⁸⁵²¹⁷¹ is an apocalyptic number.

852171 is a deficient number, since it is larger than the sum of its proper divisors (284061).

852171 is a wasteful number, since it uses less digits than its factorization.

852171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284060.

The product of its digits is 560, while the sum is 24.

The square root of 852171 is about 923.1310849495. The cubic root of 852171 is about 94.8074029719.

The spelling of 852171 in words is "eight hundred fifty-two thousand, one hundred seventy-one".