487281 has 8 divisors (see below), whose sum is σ = 660960. Its totient is φ = 319232.

The previous prime is 487261. The next prime is 487283. The reversal of 487281 is 182784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487281 - 2⁹ = 486769 is a prime.

It is a super-2 number, since 2×487281² = 474885545922, which contains 22 as substring.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487281.

It is not an unprimeable number, because it can be changed into a prime (487283) 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 7 ways as a sum of consecutive naturals, for example, 1200 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

2⁴⁸⁷²⁸¹ is an apocalyptic number.

It is an amenable number.

487281 is a deficient number, since it is larger than the sum of its proper divisors (173679).

487281 is a wasteful number, since it uses less digits than its factorization.

487281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815.

The product of its digits is 3584, while the sum is 30.

The square root of 487281 is about 698.0551554140. The cubic root of 487281 is about 78.6912587898.

The spelling of 487281 in words is "four hundred eighty-seven thousand, two hundred eighty-one".