501449 has 8 divisors (see below), whose sum is σ = 572040. Its totient is φ = 435456.

The previous prime is 501427. The next prime is 501451. The reversal of 501449 is 944105.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1600 + 499849 = 40^2 + 707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501449 - 2¹⁶ = 435913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501409) 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 in 7 ways as a sum of consecutive naturals, for example, 914 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (71505).

2⁵⁰¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

501449 is a deficient number, since it is larger than the sum of its proper divisors (70591).

501449 is a wasteful number, since it uses less digits than its factorization.

501449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 501449 is about 708.1306376651. The cubic root of 501449 is about 79.4466501236.

The spelling of 501449 in words is "five hundred one thousand, four hundred forty-nine".