5531243 has 2 divisors, whose sum is σ = 5531244. Its totient is φ = 5531242.

The previous prime is 5531221. The next prime is 5531263. The reversal of 5531243 is 3421355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5531243 - 2¹² = 5527147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5531263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765621 + 2765622.

It is an arithmetic number, because the mean of its divisors is an integer number (2765622).

Almost surely, 2^5531243 is an apocalyptic number.

5531243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531243 is an equidigital number, since it uses as much as digits as its factorization.

5531243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 23.

The square root of 5531243 is about 2351.8594770947. The cubic root of 5531243 is about 176.8510242737.

Adding to 5531243 its reverse (3421355), we get a palindrome (8952598).

It can be divided in two parts, 55312 and 43, that added together give a palindrome (55355).

The spelling of 5531243 in words is "five million, five hundred thirty-one thousand, two hundred forty-three".