2382509 has 4 divisors (see below), whose sum is σ = 2427516. Its totient is φ = 2337504.

The previous prime is 2382491. The next prime is 2382511. The reversal of 2382509 is 9052832.

2382509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2184484 + 198025 = 1478^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 2382509 - 2¹⁶ = 2316973 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 3⁵ + 8⁶ + 2²¹ + 5² + 0 + 9⁴ .

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2382529) 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 in 3 ways as a sum of consecutive naturals, for example, 22424 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (606879).

2^2382509 is an apocalyptic number.

It is an amenable number.

2382509 is a deficient number, since it is larger than the sum of its proper divisors (45007).

2382509 is an equidigital number, since it uses as much as digits as its factorization.

2382509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45006.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2382509 is about 1543.5378194265. The cubic root of 2382509 is about 133.5605452296.

The spelling of 2382509 in words is "two million, three hundred eighty-two thousand, five hundred nine".