523585 has 4 divisors (see below), whose sum is σ = 628308. Its totient is φ = 418864.

The previous prime is 523577. The next prime is 523597. The reversal of 523585 is 585325.

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 104976 + 418609 = 324^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 523585 - 2³ = 523577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52354 + ... + 52363.

It is an arithmetic number, because the mean of its divisors is an integer number (157077).

2⁵²³⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

523585 is a deficient number, since it is larger than the sum of its proper divisors (104723).

523585 is a wasteful number, since it uses less digits than its factorization.

523585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104722.

The product of its digits is 6000, while the sum is 28.

The square root of 523585 is about 723.5917357184. The cubic root of 523585 is about 80.5988908508.

The spelling of 523585 in words is "five hundred twenty-three thousand, five hundred eighty-five".