5671091 has 2 divisors, whose sum is σ = 5671092. Its totient is φ = 5671090.

The previous prime is 5671033. The next prime is 5671093. The reversal of 5671091 is 1901765.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5671091 - 2¹⁸ = 5408947 is a prime.

It is a super-2 number, since 2×5671091² = 64322546260562, which contains 22 as substring.

Together with 5671093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5671093) 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, 2835545 + 2835546.

It is an arithmetic number, because the mean of its divisors is an integer number (2835546).

Almost surely, 2^5671091 is an apocalyptic number.

5671091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5671091 is an equidigital number, since it uses as much as digits as its factorization.

5671091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 5671091 is about 2381.4052574058. The cubic root of 5671091 is about 178.3290949197.

The spelling of 5671091 in words is "five million, six hundred seventy-one thousand, ninety-one".