5635871 has 2 divisors, whose sum is σ = 5635872. Its totient is φ = 5635870.

The previous prime is 5635853. The next prime is 5635873. The reversal of 5635871 is 1785365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5635871 - 2⁶ = 5635807 is a prime.

Together with 5635873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5635873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817935 + 2817936.

It is an arithmetic number, because the mean of its divisors is an integer number (2817936).

Almost surely, 2^5635871 is an apocalyptic number.

5635871 is a deficient number, since it is larger than the sum of its proper divisors (1).

5635871 is an equidigital number, since it uses as much as digits as its factorization.

5635871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 5635871 is about 2373.9989469248. The cubic root of 5635871 is about 177.9591603482.

The spelling of 5635871 in words is "five million, six hundred thirty-five thousand, eight hundred seventy-one".