5531143 has 2 divisors, whose sum is σ = 5531144. Its totient is φ = 5531142.

The previous prime is 5531131. The next prime is 5531159. The reversal of 5531143 is 3411355.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5531143 - 2¹⁷ = 5400071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5531173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765571 + 2765572.

It is an arithmetic number, because the mean of its divisors is an integer number (2765572).

Almost surely, 2^5531143 is an apocalyptic number.

5531143 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531143 is an equidigital number, since it uses as much as digits as its factorization.

5531143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 22.

The square root of 5531143 is about 2351.8382172250. The cubic root of 5531143 is about 176.8499584971.

Adding to 5531143 its reverse (3411355), we get a palindrome (8942498).

The spelling of 5531143 in words is "five million, five hundred thirty-one thousand, one hundred forty-three".