855250 has 32 divisors (see below), whose sum is σ = 1752192. Its totient is φ = 310000.

The previous prime is 855241. The next prime is 855269. The reversal of 855250 is 52558.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (54756).

2⁸⁵⁵²⁵⁰ is an apocalyptic number.

855250 is an abundant number, since it is smaller than the sum of its proper divisors (896942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855250 is a wasteful number, since it uses less digits than its factorization.

855250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 855250 is about 924.7972750825. The cubic root of 855250 is about 94.9214493805.

It can be divided in two parts, 85 and 5250, that added together give a palindrome (5335).

The spelling of 855250 in words is "eight hundred fifty-five thousand, two hundred fifty".