5221543 has 2 divisors, whose sum is σ = 5221544. Its totient is φ = 5221542.

The previous prime is 5221501. The next prime is 5221549. The reversal of 5221543 is 3451225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5221543 - 2¹⁷ = 5090471 is a prime.

It is a super-2 number, since 2×5221543² = 54529022601698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610771 + 2610772.

It is an arithmetic number, because the mean of its divisors is an integer number (2610772).

Almost surely, 2^5221543 is an apocalyptic number.

5221543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221543 is an equidigital number, since it uses as much as digits as its factorization.

5221543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 22.

The square root of 5221543 is about 2285.0695831856. The cubic root of 5221543 is about 173.4867400110.

Adding to 5221543 its reverse (3451225), we get a palindrome (8672768).

The spelling of 5221543 in words is "five million, two hundred twenty-one thousand, five hundred forty-three".