8917625 has 8 divisors (see below), whose sum is σ = 11129352. Its totient is φ = 7134000.

The previous prime is 8917523. The next prime is 8917663. The reversal of 8917625 is 5267198.

It can be written as a sum of positive squares in 4 ways, for example, as 1459264 + 7458361 = 1208^2 + 2731^2 .

It is not a de Polignac number, because 8917625 - 2⁸ = 8917369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35546 + ... + 35795.

It is an arithmetic number, because the mean of its divisors is an integer number (1391169).

Almost surely, 2^8917625 is an apocalyptic number.

It is an amenable number.

8917625 is a deficient number, since it is larger than the sum of its proper divisors (2211727).

8917625 is an equidigital number, since it uses as much as digits as its factorization.

8917625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71356 (or 71346 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 8917625 is about 2986.2392737354. The cubic root of 8917625 is about 207.3718180601.

The spelling of 8917625 in words is "eight million, nine hundred seventeen thousand, six hundred twenty-five".