8495609 has 2 divisors, whose sum is σ = 8495610. Its totient is φ = 8495608.

The previous prime is 8495593. The next prime is 8495621. The reversal of 8495609 is 9065948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7823209 + 672400 = 2797^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 8495609 - 2⁴ = 8495593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8495629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247804 + 4247805.

It is an arithmetic number, because the mean of its divisors is an integer number (4247805).

Almost surely, 2^8495609 is an apocalyptic number.

It is an amenable number.

8495609 is a deficient number, since it is larger than the sum of its proper divisors (1).

8495609 is an equidigital number, since it uses as much as digits as its factorization.

8495609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 8495609 is about 2914.7227998559. The cubic root of 8495609 is about 204.0476067927.

The spelling of 8495609 in words is "eight million, four hundred ninety-five thousand, six hundred nine".