8713225 has 12 divisors (see below), whose sum is σ = 10874304. Its totient is φ = 6925520.

The previous prime is 8713217. The next prime is 8713249. The reversal of 8713225 is 5223178.

8713225 is a nontrivial binomial coefficient, being equal to C(4175, 2).

It is not a de Polignac number, because 8713225 - 2³ = 8713217 is a prime.

It is a Duffinian number.

8713225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8713193 and 8713202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3132 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (906192).

Almost surely, 2^8713225 is an apocalyptic number.

8713225 is the 4174-th triangular number.

8713225 is the 1392-nd centered nonagonal number.

It is an amenable number.

8713225 is a deficient number, since it is larger than the sum of its proper divisors (2161079).

8713225 is a wasteful number, since it uses less digits than its factorization.

8713225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2259 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 8713225 is about 2951.8172368898. The cubic root of 8713225 is about 205.7751733851.

It can be divided in two parts, 871 and 3225, that added together give a 12-th power (4096 = 2¹²).

The spelling of 8713225 in words is "eight million, seven hundred thirteen thousand, two hundred twenty-five".