595661 has 4 divisors (see below), whose sum is σ = 649824. Its totient is φ = 541500.

The previous prime is 595627. The next prime is 595687. The reversal of 595661 is 166595.

595661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 595661 - 2¹⁰ = 594637 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 (595261) 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, 27065 + ... + 27086.

It is an arithmetic number, because the mean of its divisors is an integer number (162456).

2⁵⁹⁵⁶⁶¹ is an apocalyptic number.

It is an amenable number.

595661 is a deficient number, since it is larger than the sum of its proper divisors (54163).

595661 is a wasteful number, since it uses less digits than its factorization.

595661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54162.

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

The square root of 595661 is about 771.7907747570. The cubic root of 595661 is about 84.1394603219.

The spelling of 595661 in words is "five hundred ninety-five thousand, six hundred sixty-one".