4075609 has 2 divisors, whose sum is σ = 4075610. Its totient is φ = 4075608.

The previous prime is 4075579. The next prime is 4075627. The reversal of 4075609 is 9065704.

4075609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3229209 + 846400 = 1797^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 4075609 - 2¹¹ = 4073561 is a prime.

It is a super-2 number, since 2×4075609² = 33221177441762, which contains 22 as substring.

It is a Chen prime.

4075609 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4075679) 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 as a sum of consecutive naturals, namely, 2037804 + 2037805.

It is an arithmetic number, because the mean of its divisors is an integer number (2037805).

Almost surely, 2^4075609 is an apocalyptic number.

It is an amenable number.

4075609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4075609 is an equidigital number, since it uses as much as digits as its factorization.

4075609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 4075609 is about 2018.8137606030. The cubic root of 4075609 is about 159.7340503749.

The spelling of 4075609 in words is "four million, seventy-five thousand, six hundred nine".