5638817 has 2 divisors, whose sum is σ = 5638818. Its totient is φ = 5638816.

The previous prime is 5638811. The next prime is 5638823. The reversal of 5638817 is 7188365.

It is a balanced prime because it is at equal distance from previous prime (5638811) and next prime (5638823).

It can be written as a sum of positive squares in only one way, i.e., 3066001 + 2572816 = 1751^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 5638817 - 2⁶ = 5638753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5638811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819408 + 2819409.

It is an arithmetic number, because the mean of its divisors is an integer number (2819409).

Almost surely, 2^5638817 is an apocalyptic number.

It is an amenable number.

5638817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5638817 is an equidigital number, since it uses as much as digits as its factorization.

5638817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 5638817 is about 2374.6193379150. The cubic root of 5638817 is about 177.9901627354.

The spelling of 5638817 in words is "five million, six hundred thirty-eight thousand, eight hundred seventeen".