5091013 has 2 divisors, whose sum is σ = 5091014. Its totient is φ = 5091012.

The previous prime is 5091001. The next prime is 5091019. The reversal of 5091013 is 3101905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5008644 + 82369 = 2238^2 + 287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5091013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5091019) 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, 2545506 + 2545507.

It is an arithmetic number, because the mean of its divisors is an integer number (2545507).

Almost surely, 2^5091013 is an apocalyptic number.

It is an amenable number.

5091013 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091013 is an equidigital number, since it uses as much as digits as its factorization.

5091013 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 19.

The square root of 5091013 is about 2256.3273255448. The cubic root of 5091013 is about 172.0288959024.

Adding to 5091013 its reverse (3101905), we get a palindrome (8192918).

The spelling of 5091013 in words is "five million, ninety-one thousand, thirteen".