4132409 has 2 divisors, whose sum is σ = 4132410. Its totient is φ = 4132408.

The previous prime is 4132391. The next prime is 4132421. The reversal of 4132409 is 9042314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3988009 + 144400 = 1997^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 4132409 - 2⁸ = 4132153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4132439) 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, 2066204 + 2066205.

It is an arithmetic number, because the mean of its divisors is an integer number (2066205).

Almost surely, 2^4132409 is an apocalyptic number.

It is an amenable number.

4132409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4132409 is an equidigital number, since it uses as much as digits as its factorization.

4132409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4132409 is about 2032.8327525894. The cubic root of 4132409 is about 160.4726777442.

The spelling of 4132409 in words is "four million, one hundred thirty-two thousand, four hundred nine".