5191213 has 2 divisors, whose sum is σ = 5191214. Its totient is φ = 5191212.

The previous prime is 5191187. The next prime is 5191231. The reversal of 5191213 is 3121915.

Together with next prime (5191231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3697929 + 1493284 = 1923^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 5191213 - 2⁵ = 5191181 is a prime.

It is a super-2 number, since 2×5191213² = 53897384822738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5191243) 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, 2595606 + 2595607.

It is an arithmetic number, because the mean of its divisors is an integer number (2595607).

Almost surely, 2^5191213 is an apocalyptic number.

It is an amenable number.

5191213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191213 is an equidigital number, since it uses as much as digits as its factorization.

5191213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 22.

The square root of 5191213 is about 2278.4233583775. The cubic root of 5191213 is about 173.1501808829.

The spelling of 5191213 in words is "five million, one hundred ninety-one thousand, two hundred thirteen".