4266289 has 2 divisors, whose sum is σ = 4266290. Its totient is φ = 4266288.

The previous prime is 4266287. The next prime is 4266307. The reversal of 4266289 is 9826624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 43264 = 2055^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 4266289 - 2¹ = 4266287 is a prime.

Together with 4266287, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 2¹⁴ + 6⁵ + 6⁶ + 2²² + 8² + 9² .

It is not a weakly prime, because it can be changed into another prime (4266287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133144 + 2133145.

It is an arithmetic number, because the mean of its divisors is an integer number (2133145).

Almost surely, 2^4266289 is an apocalyptic number.

It is an amenable number.

4266289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4266289 is an equidigital number, since it uses as much as digits as its factorization.

4266289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 4266289 is about 2065.4996974098. The cubic root of 4266289 is about 162.1872675638.

The spelling of 4266289 in words is "four million, two hundred sixty-six thousand, two hundred eighty-nine".