6432289 has 2 divisors, whose sum is σ = 6432290. Its totient is φ = 6432288.

The previous prime is 6432281. The next prime is 6432301. The reversal of 6432289 is 9822346.

6432289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6051600 + 380689 = 2460^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 6432289 - 2³ = 6432281 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6432281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216144 + 3216145.

It is an arithmetic number, because the mean of its divisors is an integer number (3216145).

Almost surely, 2^6432289 is an apocalyptic number.

It is an amenable number.

6432289 is a deficient number, since it is larger than the sum of its proper divisors (1).

6432289 is an equidigital number, since it uses as much as digits as its factorization.

6432289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 6432289 is about 2536.1957732005. The cubic root of 6432289 is about 185.9752636006.

The spelling of 6432289 in words is "six million, four hundred thirty-two thousand, two hundred eighty-nine".