659485 has 8 divisors (see below), whose sum is σ = 810936. Its totient is φ = 514560.

The previous prime is 659473. The next prime is 659497. The reversal of 659485 is 584956.

659485 = 46² + 47² + ... + 127².

It is an interprime number because it is at equal distance from previous prime (659473) and next prime (659497).

It can be written as a sum of positive squares in 4 ways, for example, as 47961 + 611524 = 219^2 + 782^2 .

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

It is not a de Polignac number, because 659485 - 2⁵ = 659453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (101367).

2⁶⁵⁹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

659485 is a deficient number, since it is larger than the sum of its proper divisors (151451).

659485 is a wasteful number, since it uses less digits than its factorization.

659485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its digits is 43200, while the sum is 37.

The square root of 659485 is about 812.0868180189. The cubic root of 659485 is about 87.0432250964.

Subtracting from 659485 its reverse (584956), we obtain a square (74529 = 273²).

The spelling of 659485 in words is "six hundred fifty-nine thousand, four hundred eighty-five".