5161243 has 2 divisors, whose sum is σ = 5161244. Its totient is φ = 5161242.

The previous prime is 5161231. The next prime is 5161249. The reversal of 5161243 is 3421615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5161243 is a prime.

It is not a weakly prime, because it can be changed into another prime (5161249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580621 + 2580622.

It is an arithmetic number, because the mean of its divisors is an integer number (2580622).

Almost surely, 2^5161243 is an apocalyptic number.

5161243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161243 is an equidigital number, since it uses as much as digits as its factorization.

5161243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 5161243 is about 2271.8369219643. The cubic root of 5161243 is about 172.8163263859.

Adding to 5161243 its reverse (3421615), we get a palindrome (8582858).

The spelling of 5161243 in words is "five million, one hundred sixty-one thousand, two hundred forty-three".