5671111 has 2 divisors, whose sum is σ = 5671112. Its totient is φ = 5671110.

The previous prime is 5671097. The next prime is 5671117. The reversal of 5671111 is 1111765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5671111 - 2¹³ = 5662919 is a prime.

It is a super-2 number, since 2×5671111² = 64322999948642, which contains 22 as substring.

5671111 is a modest number, since divided by 1111 gives 567 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5671117) 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, 2835555 + 2835556.

It is an arithmetic number, because the mean of its divisors is an integer number (2835556).

Almost surely, 2^5671111 is an apocalyptic number.

5671111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5671111 is an equidigital number, since it uses as much as digits as its factorization.

5671111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210, while the sum is 22.

The square root of 5671111 is about 2381.4094566034. The cubic root of 5671111 is about 178.3293045547.

Adding to 5671111 its reverse (1111765), we get a palindrome (6782876).

The spelling of 5671111 in words is "five million, six hundred seventy-one thousand, one hundred eleven".