4061609 has 2 divisors, whose sum is σ = 4061610. Its totient is φ = 4061608.

The previous prime is 4061581. The next prime is 4061621. The reversal of 4061609 is 9061604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3667225 + 394384 = 1915^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061609 - 2⁸ = 4061353 is a prime.

It is not a weakly prime, because it can be changed into another prime (4061669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030804 + 2030805.

It is an arithmetic number, because the mean of its divisors is an integer number (2030805).

Almost surely, 2^4061609 is an apocalyptic number.

It is an amenable number.

4061609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4061609 is an equidigital number, since it uses as much as digits as its factorization.

4061609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4061609 is about 2015.3433950570. The cubic root of 4061609 is about 159.5509413646.

The spelling of 4061609 in words is "four million, sixty-one thousand, six hundred nine".