5218471 has 2 divisors, whose sum is σ = 5218472. Its totient is φ = 5218470.

The previous prime is 5218441. The next prime is 5218481. The reversal of 5218471 is 1748125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5218471 - 2¹⁵ = 5185703 is a prime.

It is a super-3 number, since 3×5218471³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5218441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609235 + 2609236.

It is an arithmetic number, because the mean of its divisors is an integer number (2609236).

Almost surely, 2^5218471 is an apocalyptic number.

5218471 is a deficient number, since it is larger than the sum of its proper divisors (1).

5218471 is an equidigital number, since it uses as much as digits as its factorization.

5218471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 28.

The square root of 5218471 is about 2284.3972946928. The cubic root of 5218471 is about 173.4527107456.

The spelling of 5218471 in words is "five million, two hundred eighteen thousand, four hundred seventy-one".