2330509 has 4 divisors (see below), whose sum is σ = 2346300. Its totient is φ = 2314720.

The previous prime is 2330501. The next prime is 2330539. The reversal of 2330509 is 9050332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1493284 + 837225 = 1222^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2330509 - 2³ = 2330501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2330509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330501) 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, 7672 + ... + 7969.

It is an arithmetic number, because the mean of its divisors is an integer number (586575).

2^2330509 is an apocalyptic number.

It is an amenable number.

2330509 is a deficient number, since it is larger than the sum of its proper divisors (15791).

2330509 is a wasteful number, since it uses less digits than its factorization.

2330509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15790.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 2330509 is about 1526.6004716362. The cubic root of 2330509 is about 132.5817034951.

The spelling of 2330509 in words is "two million, three hundred thirty thousand, five hundred nine".