487317 has 4 divisors (see below), whose sum is σ = 649760. Its totient is φ = 324876.

The previous prime is 487313. The next prime is 487349. The reversal of 487317 is 713784.

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 487317 - 2² = 487313 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 487317.

It is not an unprimeable number, because it can be changed into a prime (487313) 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 in 3 ways as a sum of consecutive naturals, for example, 81217 + ... + 81222.

It is an arithmetic number, because the mean of its divisors is an integer number (162440).

2⁴⁸⁷³¹⁷ is an apocalyptic number.

It is an amenable number.

487317 is a deficient number, since it is larger than the sum of its proper divisors (162443).

487317 is a wasteful number, since it uses less digits than its factorization.

487317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162442.

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

The square root of 487317 is about 698.0809408657. The cubic root of 487317 is about 78.6931966282.

The spelling of 487317 in words is "four hundred eighty-seven thousand, three hundred seventeen".