8605625 has 30 divisors (see below), whose sum is σ = 12553794. Its totient is φ = 5880000.

The previous prime is 8605609. The next prime is 8605637. The reversal of 8605625 is 5265068.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2637376 + 5968249 = 1624^2 + 2443^2 .

It is not a de Polignac number, because 8605625 - 2⁴ = 8605609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8605591 and 8605600.

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 29 ways as a sum of consecutive naturals, for example, 30485 + ... + 30765.

Almost surely, 2^8605625 is an apocalyptic number.

It is an amenable number.

8605625 is a deficient number, since it is larger than the sum of its proper divisors (3948169).

8605625 is an equidigital number, since it uses as much as digits as its factorization.

8605625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 8605625 is about 2933.5345574920. The cubic root of 8605625 is about 204.9246203128.

The spelling of 8605625 in words is "eight million, six hundred five thousand, six hundred twenty-five".