8025609 has 4 divisors (see below), whose sum is σ = 10700816. Its totient is φ = 5350404.

The previous prime is 8025607. The next prime is 8025613. The reversal of 8025609 is 9065208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8025609 - 2¹ = 8025607 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (8025601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337599 + ... + 1337604.

It is an arithmetic number, because the mean of its divisors is an integer number (2675204).

Almost surely, 2^8025609 is an apocalyptic number.

It is an amenable number.

8025609 is a deficient number, since it is larger than the sum of its proper divisors (2675207).

8025609 is a wasteful number, since it uses less digits than its factorization.

8025609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675206.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 8025609 is about 2832.9505819904. The cubic root of 8025609 is about 200.2131810219.

The spelling of 8025609 in words is "eight million, twenty-five thousand, six hundred nine".