5211091 has 2 divisors, whose sum is σ = 5211092. Its totient is φ = 5211090.

The previous prime is 5211083. The next prime is 5211109. The reversal of 5211091 is 1901125.

Together with next prime (5211109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5211091 - 2³ = 5211083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5211071) 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, 2605545 + 2605546.

It is an arithmetic number, because the mean of its divisors is an integer number (2605546).

Almost surely, 2^5211091 is an apocalyptic number.

5211091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211091 is an equidigital number, since it uses as much as digits as its factorization.

5211091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 5211091 is about 2282.7814174818. The cubic root of 5211091 is about 173.3709061383.

The spelling of 5211091 in words is "five million, two hundred eleven thousand, ninety-one".