850225 has 12 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 669200.

The previous prime is 850211. The next prime is 850229. The reversal of 850225 is 522058.

It is not a de Polignac number, because 850225 - 2¹⁵ = 817457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 850196 and 850205.

It is not an unprimeable number, because it can be changed into a prime (850229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

2⁸⁵⁰²²⁵ is an apocalyptic number.

It is an amenable number.

850225 is a deficient number, since it is larger than the sum of its proper divisors (221135).

850225 is a wasteful number, since it uses less digits than its factorization.

850225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 850225 is about 922.0764610378. The cubic root of 850225 is about 94.7351812304.

The spelling of 850225 in words is "eight hundred fifty thousand, two hundred twenty-five".