5443609 has 2 divisors, whose sum is σ = 5443610. Its totient is φ = 5443608.

The previous prime is 5443583. The next prime is 5443639. The reversal of 5443609 is 9063445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5419584 + 24025 = 2328^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 5443609 - 2²¹ = 3346457 is a prime.

It is equal to p₃₇₇₁₅₈ and since 5443609 and 377158 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5443639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721804 + 2721805.

It is an arithmetic number, because the mean of its divisors is an integer number (2721805).

Almost surely, 2^5443609 is an apocalyptic number.

It is an amenable number.

5443609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443609 is an equidigital number, since it uses as much as digits as its factorization.

5443609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5443609 is about 2333.1543026555. The cubic root of 5443609 is about 175.9120708336.

The spelling of 5443609 in words is "five million, four hundred forty-three thousand, six hundred nine".