675585 has 12 divisors (see below), whose sum is σ = 1171092. Its totient is φ = 360288.

The previous prime is 675581. The next prime is 675593. The reversal of 675585 is 585576.

675585 is a `hidden beast` number, since 6 + 75 + 585 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 370881 + 304704 = 609^2 + 552^2 .

It is not a de Polignac number, because 675585 - 2² = 675581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675581) 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, 7462 + ... + 7551.

It is an arithmetic number, because the mean of its divisors is an integer number (97591).

2⁶⁷⁵⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

675585 is a deficient number, since it is larger than the sum of its proper divisors (495507).

675585 is a wasteful number, since it uses less digits than its factorization.

675585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024 (or 15021 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 675585 is about 821.9397788159. The cubic root of 675585 is about 87.7458663161.

Subtracting from 675585 its reverse (585576), we obtain a palindrome (90009).

The spelling of 675585 in words is "six hundred seventy-five thousand, five hundred eighty-five".