5461909 has 2 divisors, whose sum is σ = 5461910. Its totient is φ = 5461908.

The previous prime is 5461891. The next prime is 5461919. The reversal of 5461909 is 9091645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 70225 = 2322^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 5461909 - 2⁹ = 5461397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5461919) 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, 2730954 + 2730955.

It is an arithmetic number, because the mean of its divisors is an integer number (2730955).

Almost surely, 2^5461909 is an apocalyptic number.

It is an amenable number.

5461909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5461909 is an equidigital number, since it uses as much as digits as its factorization.

5461909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 5461909 is about 2337.0727417006. The cubic root of 5461909 is about 176.1089739211.

The spelling of 5461909 in words is "five million, four hundred sixty-one thousand, nine hundred nine".