850575 has 24 divisors (see below), whose sum is σ = 1535616. Its totient is φ = 412000.

The previous prime is 850571. The next prime is 850613. The reversal of 850575 is 575058.

It is a happy number.

It is not a de Polignac number, because 850575 - 2² = 850571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (63984).

2⁸⁵⁰⁵⁷⁵ is an apocalyptic number.

850575 is a deficient number, since it is larger than the sum of its proper divisors (685041).

850575 is a wasteful number, since it uses less digits than its factorization.

850575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 850575 is about 922.2662305430. The cubic root of 850575 is about 94.7481788740.

The spelling of 850575 in words is "eight hundred fifty thousand, five hundred seventy-five".