863225 has 24 divisors (see below), whose sum is σ = 1211232. Its totient is φ = 604800.

The previous prime is 863197. The next prime is 863231. The reversal of 863225 is 522368.

It is not a de Polignac number, because 863225 - 2¹⁴ = 846841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 863194 and 863203.

It is an unprimeable number.

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, 11789 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (50468).

2⁸⁶³²²⁵ is an apocalyptic number.

It is an amenable number.

863225 is a deficient number, since it is larger than the sum of its proper divisors (348007).

863225 is a wasteful number, since it uses less digits than its factorization.

863225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 132 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 863225 is about 929.0990259386. The cubic root of 863225 is about 95.2155769182.

The spelling of 863225 in words is "eight hundred sixty-three thousand, two hundred twenty-five".