4325509 has 2 divisors, whose sum is σ = 4325510. Its totient is φ = 4325508.

The previous prime is 4325491. The next prime is 4325513. The reversal of 4325509 is 9055234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2712609 + 1612900 = 1647^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4325509 - 2⁹ = 4324997 is a prime.

It is a Chen prime.

4325509 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4325539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162754 + 2162755.

It is an arithmetic number, because the mean of its divisors is an integer number (2162755).

Almost surely, 2^4325509 is an apocalyptic number.

It is an amenable number.

4325509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4325509 is an equidigital number, since it uses as much as digits as its factorization.

4325509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 4325509 is about 2079.7858062791. The cubic root of 4325509 is about 162.9342578043.

It can be divided in two parts, 43 and 25509, that added together give a palindrome (25552).

The spelling of 4325509 in words is "four million, three hundred twenty-five thousand, five hundred nine".