501447 has 4 divisors (see below), whose sum is σ = 668600. Its totient is φ = 334296.

The previous prime is 501427. The next prime is 501451. The reversal of 501447 is 744105.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 501447 - 2⁶ = 501383 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501447.

It is not an unprimeable number, because it can be changed into a prime (501427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83572 + ... + 83577.

It is an arithmetic number, because the mean of its divisors is an integer number (167150).

2⁵⁰¹⁴⁴⁷ is an apocalyptic number.

501447 is a deficient number, since it is larger than the sum of its proper divisors (167153).

501447 is a wasteful number, since it uses less digits than its factorization.

501447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167152.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 501447 is about 708.1292254949. The cubic root of 501447 is about 79.4465445007.

The spelling of 501447 in words is "five hundred one thousand, four hundred forty-seven".