5667281 has 2 divisors, whose sum is σ = 5667282. Its totient is φ = 5667280.

The previous prime is 5667247. The next prime is 5667283. The reversal of 5667281 is 1827665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5564881 + 102400 = 2359^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 5667281 - 2⁶ = 5667217 is a prime.

It is a super-2 number, since 2×5667281² = 64236147865922, which contains 22 as substring.

Together with 5667283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5667283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833640 + 2833641.

It is an arithmetic number, because the mean of its divisors is an integer number (2833641).

Almost surely, 2^5667281 is an apocalyptic number.

It is an amenable number.

5667281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5667281 is an equidigital number, since it uses as much as digits as its factorization.

5667281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 5667281 is about 2380.6051751603. The cubic root of 5667281 is about 178.2891504562.

The spelling of 5667281 in words is "five million, six hundred sixty-seven thousand, two hundred eighty-one".