2465809 has 4 divisors (see below), whose sum is σ = 2478400. Its totient is φ = 2453220.

The previous prime is 2465789. The next prime is 2465819. The reversal of 2465809 is 9085642.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2465809 - 2⁵ = 2465777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2465819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5997 + ... + 6394.

It is an arithmetic number, because the mean of its divisors is an integer number (619600).

2^2465809 is an apocalyptic number.

It is an amenable number.

2465809 is a deficient number, since it is larger than the sum of its proper divisors (12591).

2465809 is a wasteful number, since it uses less digits than its factorization.

2465809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2465809 is about 1570.2894637614. The cubic root of 2465809 is about 135.0993142090.

The spelling of 2465809 in words is "two million, four hundred sixty-five thousand, eight hundred nine".