5513243 has 2 divisors, whose sum is σ = 5513244. Its totient is φ = 5513242.

The previous prime is 5513239. The next prime is 5513267. The reversal of 5513243 is 3423155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5513243 - 2² = 5513239 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5513203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756621 + 2756622.

It is an arithmetic number, because the mean of its divisors is an integer number (2756622).

Almost surely, 2^5513243 is an apocalyptic number.

5513243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5513243 is an equidigital number, since it uses as much as digits as its factorization.

5513243 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 5513243 is about 2348.0295994727. The cubic root of 5513243 is about 176.6589771583.

Adding to 5513243 its reverse (3423155), we get a palindrome (8936398).

The spelling of 5513243 in words is "five million, five hundred thirteen thousand, two hundred forty-three".