561593 has 4 divisors (see below), whose sum is σ = 563328. Its totient is φ = 559860.

The previous prime is 561559. The next prime is 561599. The reversal of 561593 is 395165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561593 - 2⁶ = 561529 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 561593.

It is not an unprimeable number, because it can be changed into a prime (561599) 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, 221 + ... + 1082.

It is an arithmetic number, because the mean of its divisors is an integer number (140832).

2⁵⁶¹⁵⁹³ is an apocalyptic number.

It is an amenable number.

561593 is a deficient number, since it is larger than the sum of its proper divisors (1735).

561593 is a wasteful number, since it uses less digits than its factorization.

561593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its digits is 4050, while the sum is 29.

The square root of 561593 is about 749.3950893888. The cubic root of 561593 is about 82.5037892352.

The spelling of 561593 in words is "five hundred sixty-one thousand, five hundred ninety-three".