852001 has 4 divisors (see below), whose sum is σ = 857392. Its totient is φ = 846612.

The previous prime is 851971. The next prime is 852011. The reversal of 852001 is 100258.

It is a happy number.

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: 100258 = 2 ⋅50129.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852001 is a prime.

It is a Duffinian number.

852001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (852011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451 + ... + 2776.

It is an arithmetic number, because the mean of its divisors is an integer number (214348).

2⁸⁵²⁰⁰¹ is an apocalyptic number.

It is an amenable number.

852001 is a deficient number, since it is larger than the sum of its proper divisors (5391).

852001 is a wasteful number, since it uses less digits than its factorization.

852001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 852001 is about 923.0390024262. The cubic root of 852001 is about 94.8010981612.

Adding to 852001 its reverse (100258), we get a palindrome (952259).

The spelling of 852001 in words is "eight hundred fifty-two thousand, one".