605047 has 4 divisors (see below), whose sum is σ = 640656. Its totient is φ = 569440.

The previous prime is 605039. The next prime is 605051. The reversal of 605047 is 740506.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 605047 - 2³ = 605039 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17779 + ... + 17812.

It is an arithmetic number, because the mean of its divisors is an integer number (160164).

2⁶⁰⁵⁰⁴⁷ is an apocalyptic number.

605047 is a deficient number, since it is larger than the sum of its proper divisors (35609).

605047 is a wasteful number, since it uses less digits than its factorization.

605047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35608.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 605047 is about 777.8476714627. The cubic root of 605047 is about 84.5790956702.

The spelling of 605047 in words is "six hundred five thousand, forty-seven".