487517 has 4 divisors (see below), whose sum is σ = 495840. Its totient is φ = 479196.

The previous prime is 487507. The next prime is 487561. The reversal of 487517 is 715784.

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 a cyclic number.

It is not a de Polignac number, because 487517 - 2⁸ = 487261 is a prime.

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 487517.

It is not an unprimeable number, because it can be changed into a prime (487507) 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, 4073 + ... + 4190.

It is an arithmetic number, because the mean of its divisors is an integer number (123960).

2⁴⁸⁷⁵¹⁷ is an apocalyptic number.

It is an amenable number.

487517 is a deficient number, since it is larger than the sum of its proper divisors (8323).

487517 is an equidigital number, since it uses as much as digits as its factorization.

487517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322.

The product of its digits is 7840, while the sum is 32.

The square root of 487517 is about 698.2241760352. The cubic root of 487517 is about 78.7039606598.

The spelling of 487517 in words is "four hundred eighty-seven thousand, five hundred seventeen".