8109625 has 8 divisors (see below), whose sum is σ = 10120968. Its totient is φ = 6487600.

The previous prime is 8109617. The next prime is 8109649. The reversal of 8109625 is 5269018.

It can be written as a sum of positive squares in 4 ways, for example, as 89401 + 8020224 = 299^2 + 2832^2 .

It is not a de Polignac number, because 8109625 - 2³ = 8109617 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

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, 32314 + ... + 32563.

It is an arithmetic number, because the mean of its divisors is an integer number (1265121).

Almost surely, 2^8109625 is an apocalyptic number.

It is an amenable number.

8109625 is a deficient number, since it is larger than the sum of its proper divisors (2011343).

8109625 is an equidigital number, since it uses as much as digits as its factorization.

8109625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64892 (or 64882 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 8109625 is about 2847.7403322635. The cubic root of 8109625 is about 200.9094003543.

The spelling of 8109625 in words is "eight million, one hundred nine thousand, six hundred twenty-five".