805248609 has 8 divisors (see below), whose sum is σ = 1171270752. Its totient is φ = 488029440.

The previous prime is 805248601. The next prime is 805248611. The reversal of 805248609 is 906842508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 805248609 - 2³ = 805248601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (805248601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12200704 + ... + 12200769.

It is an arithmetic number, because the mean of its divisors is an integer number (146408844).

Almost surely, 2^805248609 is an apocalyptic number.

It is an amenable number.

805248609 is a deficient number, since it is larger than the sum of its proper divisors (366022143).

805248609 is a wasteful number, since it uses less digits than its factorization.

805248609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24401487.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 805248609 is about 28376.9027379663. The cubic root of 805248609 is about 930.3435001198.

The spelling of 805248609 in words is "eight hundred five million, two hundred forty-eight thousand, six hundred nine".