5218705 has 8 divisors (see below), whose sum is σ = 6278400. Its totient is φ = 4164336.

The previous prime is 5218691. The next prime is 5218721. The reversal of 5218705 is 5078125.

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 5218705 - 2¹⁵ = 5185937 is a prime.

It is an alternating number because its digits alternate between odd and even.

5218705 is a lucky number.

It is an unprimeable number.

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, 1306 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (784800).

Almost surely, 2^5218705 is an apocalyptic number.

It is an amenable number.

5218705 is a deficient number, since it is larger than the sum of its proper divisors (1059695).

5218705 is a wasteful number, since it uses less digits than its factorization.

5218705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5218705 is about 2284.4485111291. The cubic root of 5218705 is about 173.4553032884.

The spelling of 5218705 in words is "five million, two hundred eighteen thousand, seven hundred five".