5731291 has 2 divisors, whose sum is σ = 5731292. Its totient is φ = 5731290.

The previous prime is 5731289. The next prime is 5731309. The reversal of 5731291 is 1921375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5731291 - 2¹ = 5731289 is a prime.

Together with 5731289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5731391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2865645 + 2865646.

It is an arithmetic number, because the mean of its divisors is an integer number (2865646).

Almost surely, 2^5731291 is an apocalyptic number.

5731291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5731291 is an equidigital number, since it uses as much as digits as its factorization.

5731291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 5731291 is about 2394.0114870234. The cubic root of 5731291 is about 178.9578773786.

The spelling of 5731291 in words is "five million, seven hundred thirty-one thousand, two hundred ninety-one".