4782509 has 8 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 4407696.

The previous prime is 4782497. The next prime is 4782511. The reversal of 4782509 is 9052874.

It is a happy number.

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

It is not a de Polignac number, because 4782509 - 2⁴ = 4782493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

Almost surely, 2^4782509 is an apocalyptic number.

It is an amenable number.

4782509 is a deficient number, since it is larger than the sum of its proper divisors (388531).

4782509 is a wasteful number, since it uses less digits than its factorization.

4782509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 4782509 is about 2186.8948305760. The cubic root of 4782509 is about 168.4813881124.

The spelling of 4782509 in words is "four million, seven hundred eighty-two thousand, five hundred nine".