5218747 has 4 divisors (see below), whose sum is σ = 5225040. Its totient is φ = 5212456.

The previous prime is 5218729. The next prime is 5218793. The reversal of 5218747 is 7478125.

It is a happy number.

5218747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5218747 - 2¹⁵ = 5185979 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5218247) 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, 1672 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (1306260).

Almost surely, 2^5218747 is an apocalyptic number.

5218747 is a deficient number, since it is larger than the sum of its proper divisors (6293).

5218747 is an equidigital number, since it uses as much as digits as its factorization.

5218747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292.

The product of its digits is 15680, while the sum is 34.

The square root of 5218747 is about 2284.4577037013. The cubic root of 5218747 is about 173.4557686083.

The spelling of 5218747 in words is "five million, two hundred eighteen thousand, seven hundred forty-seven".