561027 has 4 divisors (see below), whose sum is σ = 748040. Its totient is φ = 374016.

The previous prime is 561019. The next prime is 561047. The reversal of 561027 is 720165.

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

It is not a de Polignac number, because 561027 - 2³ = 561019 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 560994 and 561012.

It is not an unprimeable number, because it can be changed into a prime (561047) 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, 93502 + ... + 93507.

It is an arithmetic number, because the mean of its divisors is an integer number (187010).

2⁵⁶¹⁰²⁷ is an apocalyptic number.

561027 is a deficient number, since it is larger than the sum of its proper divisors (187013).

561027 is a wasteful number, since it uses less digits than its factorization.

561027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187012.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 561027 is about 749.0173562742. The cubic root of 561027 is about 82.4760628442.

The spelling of 561027 in words is "five hundred sixty-one thousand, twenty-seven".