581063 has 4 divisors (see below), whose sum is σ = 664080. Its totient is φ = 498048.

The previous prime is 581047. The next prime is 581069. The reversal of 581063 is 360185.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 581063 - 2⁴ = 581047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581069) 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, 41498 + ... + 41511.

It is an arithmetic number, because the mean of its divisors is an integer number (166020).

2⁵⁸¹⁰⁶³ is an apocalyptic number.

581063 is a deficient number, since it is larger than the sum of its proper divisors (83017).

581063 is an equidigital number, since it uses as much as digits as its factorization.

581063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83016.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 581063 is about 762.2748848021. The cubic root of 581063 is about 83.4464260067.

The spelling of 581063 in words is "five hundred eighty-one thousand, sixty-three".