605971 has 4 divisors (see below), whose sum is σ = 618912. Its totient is φ = 593032.

The previous prime is 605953. The next prime is 605977. The reversal of 605971 is 179506.

It is a happy number.

605971 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179506 = 2 ⋅89753.

It is a cyclic number.

It is not a de Polignac number, because 605971 - 2¹¹ = 603923 is a prime.

It is a Duffinian number.

605971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (605977) 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 3 ways as a sum of consecutive naturals, for example, 6400 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (154728).

2⁶⁰⁵⁹⁷¹ is an apocalyptic number.

605971 is a deficient number, since it is larger than the sum of its proper divisors (12941).

605971 is a wasteful number, since it uses less digits than its factorization.

605971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 605971 is about 778.4413914997. The cubic root of 605971 is about 84.6221288754.

The spelling of 605971 in words is "six hundred five thousand, nine hundred seventy-one".