5191393 has 2 divisors, whose sum is σ = 5191394. Its totient is φ = 5191392.

The previous prime is 5191391. The next prime is 5191397. The reversal of 5191393 is 3931915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5094049 + 97344 = 2257^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 5191393 - 2¹ = 5191391 is a prime.

It is a super-2 number, since 2×5191393² = 53901122560898, which contains 22 as substring.

Together with 5191391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5191391) 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, 2595696 + 2595697.

It is an arithmetic number, because the mean of its divisors is an integer number (2595697).

Almost surely, 2^5191393 is an apocalyptic number.

It is an amenable number.

5191393 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191393 is an equidigital number, since it uses as much as digits as its factorization.

5191393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 31.

The square root of 5191393 is about 2278.4628590346. The cubic root of 5191393 is about 173.1521821282.

The spelling of 5191393 in words is "five million, one hundred ninety-one thousand, three hundred ninety-three".