5091271 has 2 divisors, whose sum is σ = 5091272. Its totient is φ = 5091270.

The previous prime is 5091253. The next prime is 5091301. The reversal of 5091271 is 1721905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5091271 - 2¹¹ = 5089223 is a prime.

5091271 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5091241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545635 + 2545636.

It is an arithmetic number, because the mean of its divisors is an integer number (2545636).

Almost surely, 2^5091271 is an apocalyptic number.

5091271 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091271 is an equidigital number, since it uses as much as digits as its factorization.

5091271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 5091271 is about 2256.3844973763. The cubic root of 5091271 is about 172.0318018536.

The spelling of 5091271 in words is "five million, ninety-one thousand, two hundred seventy-one".