5642911 has 2 divisors, whose sum is σ = 5642912. Its totient is φ = 5642910.

The previous prime is 5642909. The next prime is 5642947. The reversal of 5642911 is 1192465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5642911 - 2¹ = 5642909 is a prime.

Together with 5642909, it forms a pair of twin primes.

It is a Chen prime.

5642911 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5642911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5642311) 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, 2821455 + 2821456.

It is an arithmetic number, because the mean of its divisors is an integer number (2821456).

Almost surely, 2^5642911 is an apocalyptic number.

5642911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5642911 is an equidigital number, since it uses as much as digits as its factorization.

5642911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 5642911 is about 2375.4812144069. The cubic root of 5642911 is about 178.0332282368.

The spelling of 5642911 in words is "five million, six hundred forty-two thousand, nine hundred eleven".