487913 has 4 divisors (see below), whose sum is σ = 489540. Its totient is φ = 486288.

The previous prime is 487897. The next prime is 487933. The reversal of 487913 is 319784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 426409 + 61504 = 653^2 + 248^2 .

It is a cyclic number.

It is not a de Polignac number, because 487913 - 2⁴ = 487897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 487913.

It is not an unprimeable number, because it can be changed into a prime (487933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (122385).

2⁴⁸⁷⁹¹³ is an apocalyptic number.

It is an amenable number.

487913 is a deficient number, since it is larger than the sum of its proper divisors (1627).

487913 is a wasteful number, since it uses less digits than its factorization.

487913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 6048, while the sum is 32.

The square root of 487913 is about 698.5076950185. The cubic root of 487913 is about 78.7252647603.

The spelling of 487913 in words is "four hundred eighty-seven thousand, nine hundred thirteen".