5218605 has 24 divisors (see below), whose sum is σ = 10338432. Its totient is φ = 2385504.

The previous prime is 5218601. The next prime is 5218607. The reversal of 5218605 is 5068125.

5218605 is a `hidden beast` number, since 52 + 1 + 8 + 605 = 666.

5218605 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5218605 - 2² = 5218601 is a prime.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7969 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (430768).

Almost surely, 2^5218605 is an apocalyptic number.

It is an amenable number.

5218605 is a deficient number, since it is larger than the sum of its proper divisors (5119827).

5218605 is a wasteful number, since it uses less digits than its factorization.

5218605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16585 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5218605 is about 2284.4266239037. The cubic root of 5218605 is about 173.4541953736.

The spelling of 5218605 in words is "five million, two hundred eighteen thousand, six hundred five".