8253609 has 32 divisors (see below), whose sum is σ = 13843200. Its totient is φ = 4346496.

The previous prime is 8253607. The next prime is 8253611. The reversal of 8253609 is 9063528.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8253607) and next prime (8253611).

It is not a de Polignac number, because 8253609 - 2¹ = 8253607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8253609.

It is not an unprimeable number, because it can be changed into a prime (8253607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13069 + ... + 13685.

It is an arithmetic number, because the mean of its divisors is an integer number (432600).

Almost surely, 2^8253609 is an apocalyptic number.

It is an amenable number.

8253609 is a deficient number, since it is larger than the sum of its proper divisors (5589591).

8253609 is a wasteful number, since it uses less digits than its factorization.

8253609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 8253609 is about 2872.9095008371. The cubic root of 8253609 is about 202.0914610493.

The spelling of 8253609 in words is "eight million, two hundred fifty-three thousand, six hundred nine".