6538289 has 2 divisors, whose sum is σ = 6538290. Its totient is φ = 6538288.

The previous prime is 6538267. The next prime is 6538297. The reversal of 6538289 is 9828356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 2274064 = 2065^2 + 1508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6538289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6538219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269144 + 3269145.

It is an arithmetic number, because the mean of its divisors is an integer number (3269145).

Almost surely, 2^6538289 is an apocalyptic number.

It is an amenable number.

6538289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6538289 is an equidigital number, since it uses as much as digits as its factorization.

6538289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 6538289 is about 2557.0078216541. The cubic root of 6538289 is about 186.9912871154.

The spelling of 6538289 in words is "six million, five hundred thirty-eight thousand, two hundred eighty-nine".