5191013 has 2 divisors, whose sum is σ = 5191014. Its totient is φ = 5191012.

The previous prime is 5190973. The next prime is 5191019. The reversal of 5191013 is 3101915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 1723969 = 1862^2 + 1313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5191013 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5191019) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595506 + 2595507.

It is an arithmetic number, because the mean of its divisors is an integer number (2595507).

Almost surely, 2^5191013 is an apocalyptic number.

It is an amenable number.

5191013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191013 is an equidigital number, since it uses as much as digits as its factorization.

5191013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 5191013 is about 2278.3794679552. The cubic root of 5191013 is about 173.1479572227.

Adding to 5191013 its reverse (3101915), we get a palindrome (8292928).

The spelling of 5191013 in words is "five million, one hundred ninety-one thousand, thirteen".