5531311 has 2 divisors, whose sum is σ = 5531312. Its totient is φ = 5531310.

The previous prime is 5531291. The next prime is 5531321. The reversal of 5531311 is 1131355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5531311 - 2⁹ = 5530799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5531321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765655 + 2765656.

It is an arithmetic number, because the mean of its divisors is an integer number (2765656).

Almost surely, 2^5531311 is an apocalyptic number.

5531311 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531311 is an equidigital number, since it uses as much as digits as its factorization.

5531311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225, while the sum is 19.

The square root of 5531311 is about 2351.8739336963. The cubic root of 5531311 is about 176.8517489945.

Adding to 5531311 its reverse (1131355), we get a palindrome (6662666).

The spelling of 5531311 in words is "five million, five hundred thirty-one thousand, three hundred eleven".