606591 has 6 divisors (see below), whose sum is σ = 876200. Its totient is φ = 404388.

The previous prime is 606589. The next prime is 606607. The reversal of 606591 is 195606.

606591 is a `hidden beast` number, since 6 + 0 + 659 + 1 = 666.

606591 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 606591 - 2¹ = 606589 is a prime.

It is an Ulam number.

It is a Duffinian number.

606591 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33691 + ... + 33708.

2⁶⁰⁶⁵⁹¹ is an apocalyptic number.

606591 is a deficient number, since it is larger than the sum of its proper divisors (269609).

606591 is a wasteful number, since it uses less digits than its factorization.

606591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67405 (or 67402 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 606591 is about 778.8395213393. The cubic root of 606591 is about 84.6509794511.

The spelling of 606591 in words is "six hundred six thousand, five hundred ninety-one".