596561 has 4 divisors (see below), whose sum is σ = 681792. Its totient is φ = 511332.

The previous prime is 596537. The next prime is 596569. The reversal of 596561 is 165695.

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 a de Polignac number, because none of the positive numbers 2^k-596561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (596569) 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, 42605 + ... + 42618.

It is an arithmetic number, because the mean of its divisors is an integer number (170448).

2⁵⁹⁶⁵⁶¹ is an apocalyptic number.

It is an amenable number.

596561 is a deficient number, since it is larger than the sum of its proper divisors (85231).

596561 is an equidigital number, since it uses as much as digits as its factorization.

596561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85230.

The product of its digits is 8100, while the sum is 32.

The square root of 596561 is about 772.3736142567. The cubic root of 596561 is about 84.1818151779.

The spelling of 596561 in words is "five hundred ninety-six thousand, five hundred sixty-one".