5169449 has 2 divisors, whose sum is σ = 5169450. Its totient is φ = 5169448.

The previous prime is 5169443. The next prime is 5169469. The reversal of 5169449 is 9449615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4700224 + 469225 = 2168^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 5169449 - 2⁴ = 5169433 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5169443) 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, 2584724 + 2584725.

It is an arithmetic number, because the mean of its divisors is an integer number (2584725).

Almost surely, 2^5169449 is an apocalyptic number.

It is an amenable number.

5169449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5169449 is an equidigital number, since it uses as much as digits as its factorization.

5169449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 5169449 is about 2273.6422321905. The cubic root of 5169449 is about 172.9078663414.

The spelling of 5169449 in words is "five million, one hundred sixty-nine thousand, four hundred forty-nine".