8911625 has 8 divisors (see below), whose sum is σ = 11121864. Its totient is φ = 7129200.

The previous prime is 8911619. The next prime is 8911631. The reversal of 8911625 is 5261198.

It is an interprime number because it is at equal distance from previous prime (8911619) and next prime (8911631).

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 8649481 = 512^2 + 2941^2 .

It is not a de Polignac number, because 8911625 - 2⁸ = 8911369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8911591 and 8911600.

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 7 ways as a sum of consecutive naturals, for example, 35522 + ... + 35771.

It is an arithmetic number, because the mean of its divisors is an integer number (1390233).

Almost surely, 2^8911625 is an apocalyptic number.

It is an amenable number.

8911625 is a deficient number, since it is larger than the sum of its proper divisors (2210239).

8911625 is an equidigital number, since it uses as much as digits as its factorization.

8911625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71308 (or 71298 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 8911625 is about 2985.2344966518. The cubic root of 8911625 is about 207.3252993191.

The spelling of 8911625 in words is "eight million, nine hundred eleven thousand, six hundred twenty-five".