10266439 has 2 divisors, whose sum is σ = 10266440. Its totient is φ = 10266438.

The previous prime is 10266437. The next prime is 10266461. The reversal of 10266439 is 93466201.

It is a weak prime.

It is an emirp because it is prime and its reverse (93466201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10266439 - 2¹ = 10266437 is a prime.

Together with 10266437, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10266439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10266437) 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, 5133219 + 5133220.

It is an arithmetic number, because the mean of its divisors is an integer number (5133220).

Almost surely, 2^10266439 is an apocalyptic number.

10266439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10266439 is an equidigital number, since it uses as much as digits as its factorization.

10266439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 10266439 is about 3204.1284306345. The cubic root of 10266439 is about 217.3401406046.

The spelling of 10266439 in words is "ten million, two hundred sixty-six thousand, four hundred thirty-nine".