5493409 has 2 divisors, whose sum is σ = 5493410. Its totient is φ = 5493408.

The previous prime is 5493403. The next prime is 5493421. The reversal of 5493409 is 9043945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4112784 + 1380625 = 2028^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5493409 - 2⁵ = 5493377 is a prime.

It is not a weakly prime, because it can be changed into another prime (5493403) 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, 2746704 + 2746705.

It is an arithmetic number, because the mean of its divisors is an integer number (2746705).

Almost surely, 2^5493409 is an apocalyptic number.

It is an amenable number.

5493409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5493409 is an equidigital number, since it uses as much as digits as its factorization.

5493409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 5493409 is about 2343.8022527509. The cubic root of 5493409 is about 176.4468778972.

The spelling of 5493409 in words is "five million, four hundred ninety-three thousand, four hundred nine".