487565 has 12 divisors (see below), whose sum is σ = 634644. Its totient is φ = 359424.

The previous prime is 487561. The next prime is 487589. The reversal of 487565 is 565784.

It can be written as a sum of positive squares in 6 ways, for example, as 5929 + 481636 = 77^2 + 694^2 .

It is not a de Polignac number, because 487565 - 2² = 487561 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (52887).

2⁴⁸⁷⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

487565 is a deficient number, since it is larger than the sum of its proper divisors (147079).

487565 is a wasteful number, since it uses less digits than its factorization.

487565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 595 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 487565 is about 698.2585481038. The cubic root of 487565 is about 78.7065435893.

The spelling of 487565 in words is "four hundred eighty-seven thousand, five hundred sixty-five".