5404909 has 2 divisors, whose sum is σ = 5404910. Its totient is φ = 5404908.

The previous prime is 5404897. The next prime is 5404921. The reversal of 5404909 is 9094045.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (5404897) and next prime (5404921).

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 13225 = 2322^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 5404909 - 2¹³ = 5396717 is a prime.

It is an Ulam number.

It is equal to p₃₇₄₆₆₅ and since 5404909 and 374665 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5404979) 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, 2702454 + 2702455.

It is an arithmetic number, because the mean of its divisors is an integer number (2702455).

Almost surely, 2^5404909 is an apocalyptic number.

It is an amenable number.

5404909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5404909 is an equidigital number, since it uses as much as digits as its factorization.

5404909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5404909 is about 2324.8460164062. The cubic root of 5404909 is about 175.4942111656.

The spelling of 5404909 in words is "five million, four hundred four thousand, nine hundred nine".