2309065 has 8 divisors (see below), whose sum is σ = 3022848. Its totient is φ = 1679280.

The previous prime is 2309029. The next prime is 2309077. The reversal of 2309065 is 5609032.

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

It is a de Polignac number, because none of the positive numbers 2^k-2309065 is a prime.

It is a Duffinian number.

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, 20937 + ... + 21046.

It is an arithmetic number, because the mean of its divisors is an integer number (377856).

2^2309065 is an apocalyptic number.

It is an amenable number.

2309065 is a deficient number, since it is larger than the sum of its proper divisors (713783).

2309065 is a wasteful number, since it uses less digits than its factorization.

2309065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41999.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2309065 is about 1519.5607918079. The cubic root of 2309065 is about 132.1738030414.

The spelling of 2309065 in words is "two million, three hundred nine thousand, sixty-five".