449173 has 2 divisors, whose sum is σ = 449174. Its totient is φ = 449172.

The previous prime is 449171. The next prime is 449201. The reversal of 449173 is 371944.

449173 is nontrivially palindromic in base 14.

It is an a-pointer prime, because the next prime (449201) can be obtained adding 449173 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 9604 = 663^2 + 98^2 .

It is a cyclic number.

It is not a de Polignac number, because 449173 - 2¹ = 449171 is a prime.

Together with 449171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449171) 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, 224586 + 224587.

It is an arithmetic number, because the mean of its divisors is an integer number (224587).

2⁴⁴⁹¹⁷³ is an apocalyptic number.

It is an amenable number.

449173 is a deficient number, since it is larger than the sum of its proper divisors (1).

449173 is an equidigital number, since it uses as much as digits as its factorization.

449173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 449173 is about 670.2037003777. The cubic root of 449173 is about 76.5839709045.

It can be divided in two parts, 449 and 173, that multiplied together give a palindrome (77677).

The spelling of 449173 in words is "four hundred forty-nine thousand, one hundred seventy-three".