6432281 has 2 divisors, whose sum is σ = 6432282. Its totient is φ = 6432280.

The previous prime is 6432269. The next prime is 6432289. The reversal of 6432281 is 1822346.

6432281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5593225 + 839056 = 2365^2 + 916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6432281 is a prime.

It is a super-2 number, since 2×6432281² = 82748477725922, which contains 22 as substring.

It is equal to p₄₄₀₄₅₉ and since 6432281 and 440459 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6432281.

It is not a weakly prime, because it can be changed into another prime (6432289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216140 + 3216141.

It is an arithmetic number, because the mean of its divisors is an integer number (3216141).

Almost surely, 2^6432281 is an apocalyptic number.

It is an amenable number.

6432281 is a deficient number, since it is larger than the sum of its proper divisors (1).

6432281 is an equidigital number, since it uses as much as digits as its factorization.

6432281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 6432281 is about 2536.1941960347. The cubic root of 6432281 is about 185.9751864999.

The spelling of 6432281 in words is "six million, four hundred thirty-two thousand, two hundred eighty-one".