5636971 has 2 divisors, whose sum is σ = 5636972. Its totient is φ = 5636970.

The previous prime is 5636963. The next prime is 5636989. The reversal of 5636971 is 1796365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5636971 - 2³ = 5636963 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 5636971.

It is not a weakly prime, because it can be changed into another prime (5636171) 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, 2818485 + 2818486.

It is an arithmetic number, because the mean of its divisors is an integer number (2818486).

Almost surely, 2^5636971 is an apocalyptic number.

5636971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636971 is an equidigital number, since it uses as much as digits as its factorization.

5636971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 5636971 is about 2374.2306122195. The cubic root of 5636971 is about 177.9707375201.

Subtracting from 5636971 its reverse (1796365), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5636971 in words is "five million, six hundred thirty-six thousand, nine hundred seventy-one".