600851 has 4 divisors (see below), whose sum is σ = 621600. Its totient is φ = 580104.

The previous prime is 600841. The next prime is 600857. The reversal of 600851 is 158006.

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 600851 - 2¹⁸ = 338707 is a prime.

It is a super-2 number, since 2×600851² = 722043848402, which contains 22 as substring.

It is an Ulam number.

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 600851.

It is not an unprimeable number, because it can be changed into a prime (600857) 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, 10331 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (155400).

2⁶⁰⁰⁸⁵¹ is an apocalyptic number.

600851 is a deficient number, since it is larger than the sum of its proper divisors (20749).

600851 is a wasteful number, since it uses less digits than its factorization.

600851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20748.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 600851 is about 775.1457927384. The cubic root of 600851 is about 84.3831233148.

Adding to 600851 its reverse (158006), we get a palindrome (758857).

The spelling of 600851 in words is "six hundred thousand, eight hundred fifty-one".