5172449 has 2 divisors, whose sum is σ = 5172450. Its totient is φ = 5172448.

The previous prime is 5172407. The next prime is 5172451. The reversal of 5172449 is 9442715.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5094049 + 78400 = 2257^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5172449 is a prime.

Together with 5172451, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₃₅₉₆₅₄ and since 5172449 and 359654 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 (5172049) 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, 2586224 + 2586225.

It is an arithmetic number, because the mean of its divisors is an integer number (2586225).

Almost surely, 2^5172449 is an apocalyptic number.

It is an amenable number.

5172449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172449 is an equidigital number, since it uses as much as digits as its factorization.

5172449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 5172449 is about 2274.3018709046. The cubic root of 5172449 is about 172.9413078995.

The spelling of 5172449 in words is "five million, one hundred seventy-two thousand, four hundred forty-nine".