605897 has 8 divisors (see below), whose sum is σ = 664200. Its totient is φ = 550144.

The previous prime is 605893. The next prime is 605909. The reversal of 605897 is 798506.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 241081 = 604^2 + 491^2 .

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 605897 - 2² = 605893 is a prime.

It is a super-2 number, since 2×605897² = 734222349218, which contains 22 as substring.

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 605897.

It is not an unprimeable number, because it can be changed into a prime (605893) 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 7 ways as a sum of consecutive naturals, for example, 122 + ... + 1107.

It is an arithmetic number, because the mean of its divisors is an integer number (83025).

2⁶⁰⁵⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

605897 is a deficient number, since it is larger than the sum of its proper divisors (58303).

605897 is a wasteful number, since it uses less digits than its factorization.

605897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 605897 is about 778.3938591741. The cubic root of 605897 is about 84.6186841053.

The spelling of 605897 in words is "six hundred five thousand, eight hundred ninety-seven".