595561 has 8 divisors (see below), whose sum is σ = 643464. Its totient is φ = 549120.

The previous prime is 595549. The next prime is 595571. The reversal of 595561 is 165595.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 313600 + 281961 = 560^2 + 531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 595561 - 2¹¹ = 593513 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 (595571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (80433).

It is the magic constant of a 106 × 106 magic square.

2⁵⁹⁵⁵⁶¹ is an apocalyptic number.

It is an amenable number.

595561 is a deficient number, since it is larger than the sum of its proper divisors (47903).

595561 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (595560) it forms an eRAP, since the sums of their prime factors are consecutive (730 and 731).

595561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 6750, while the sum is 31.

The square root of 595561 is about 771.7259876407. The cubic root of 595561 is about 84.1347515939.

It can be divided in two parts, 595 and 561, that added together give a square (1156 = 34²).

The spelling of 595561 in words is "five hundred ninety-five thousand, five hundred sixty-one".