5165191 has 2 divisors, whose sum is σ = 5165192. Its totient is φ = 5165190.

The previous prime is 5165137. The next prime is 5165201. The reversal of 5165191 is 1915615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5165191 - 2⁷ = 5165063 is a prime.

5165191 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165591) 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, 2582595 + 2582596.

It is an arithmetic number, because the mean of its divisors is an integer number (2582596).

Almost surely, 2^5165191 is an apocalyptic number.

5165191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165191 is an equidigital number, since it uses as much as digits as its factorization.

5165191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 28.

The square root of 5165191 is about 2272.7056562608. The cubic root of 5165191 is about 172.8603794022.

It can be divided in two parts, 5165 and 191, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 5165191 in words is "five million, one hundred sixty-five thousand, one hundred ninety-one".