4064509 has 2 divisors, whose sum is σ = 4064510. Its totient is φ = 4064508.

The previous prime is 4064477. The next prime is 4064519. The reversal of 4064509 is 9054604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 1258884 = 1675^2 + 1122^2 .

It is a cyclic number.

It is not a de Polignac number, because 4064509 - 2⁵ = 4064477 is a prime.

It is a super-2 number, since 2×4064509² = 33040466822162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4064519) 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 as a sum of consecutive naturals, namely, 2032254 + 2032255.

It is an arithmetic number, because the mean of its divisors is an integer number (2032255).

Almost surely, 2^4064509 is an apocalyptic number.

It is an amenable number.

4064509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4064509 is an equidigital number, since it uses as much as digits as its factorization.

4064509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4064509 is about 2016.0627470394. The cubic root of 4064509 is about 159.5889056008.

The spelling of 4064509 in words is "four million, sixty-four thousand, five hundred nine".