487751 has 12 divisors (see below), whose sum is σ = 558600. Its totient is φ = 425040.

The previous prime is 487741. The next prime is 487757. The reversal of 487751 is 157784.

It is a de Polignac number, because none of the positive numbers 2^k-487751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487757) 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 11 ways as a sum of consecutive naturals, for example, 3440 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (46550).

2⁴⁸⁷⁷⁵¹ is an apocalyptic number.

487751 is a deficient number, since it is larger than the sum of its proper divisors (70849).

487751 is a wasteful number, since it uses less digits than its factorization.

487751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 179 counting only the distinct ones).

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

The square root of 487751 is about 698.3917238914. The cubic root of 487751 is about 78.7165508402.

The spelling of 487751 in words is "four hundred eighty-seven thousand, seven hundred fifty-one".