585401 has 4 divisors (see below), whose sum is σ = 589812. Its totient is φ = 580992.

The previous prime is 585391. The next prime is 585413. The reversal of 585401 is 104585.

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 249001 + 336400 = 499^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 585401 - 2⁶ = 585337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 585401.

It is not an unprimeable number, because it can be changed into a prime (585461) 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, 2000 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (147453).

2⁵⁸⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

585401 is a deficient number, since it is larger than the sum of its proper divisors (4411).

585401 is a wasteful number, since it uses less digits than its factorization.

585401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 585401 is about 765.1150240323. The cubic root of 585401 is about 83.6535713505.

Adding to 585401 its reverse (104585), we get a palindrome (689986).

The spelling of 585401 in words is "five hundred eighty-five thousand, four hundred one".