487173 has 4 divisors (see below), whose sum is σ = 649568. Its totient is φ = 324780.

The previous prime is 487133. The next prime is 487177. The reversal of 487173 is 371784.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 487173 - 2¹⁷ = 356101 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 487173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487177) 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 3 ways as a sum of consecutive naturals, for example, 81193 + ... + 81198.

It is an arithmetic number, because the mean of its divisors is an integer number (162392).

2⁴⁸⁷¹⁷³ is an apocalyptic number.

It is an amenable number.

487173 is a deficient number, since it is larger than the sum of its proper divisors (162395).

487173 is a wasteful number, since it uses less digits than its factorization.

487173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162394.

The product of its digits is 4704, while the sum is 30.

The square root of 487173 is about 697.9777933430. The cubic root of 487173 is about 78.6854447017.

The spelling of 487173 in words is "four hundred eighty-seven thousand, one hundred seventy-three".