5271143 has 2 divisors, whose sum is σ = 5271144. Its totient is φ = 5271142.

The previous prime is 5271121. The next prime is 5271157. The reversal of 5271143 is 3411725.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5271143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5271443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635571 + 2635572.

It is an arithmetic number, because the mean of its divisors is an integer number (2635572).

Almost surely, 2^5271143 is an apocalyptic number.

5271143 is a deficient number, since it is larger than the sum of its proper divisors (1).

5271143 is an equidigital number, since it uses as much as digits as its factorization.

5271143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 5271143 is about 2295.8969924629. The cubic root of 5271143 is about 174.0343328561.

Adding to 5271143 its reverse (3411725), we get a palindrome (8682868).

The spelling of 5271143 in words is "five million, two hundred seventy-one thousand, one hundred forty-three".