10426391 has 2 divisors, whose sum is σ = 10426392. Its totient is φ = 10426390.

The previous prime is 10426387. The next prime is 10426417. The reversal of 10426391 is 19362401.

10426391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10426417) can be obtained adding 10426391 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10426391 - 2² = 10426387 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10426391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10446391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5213195 + 5213196.

It is an arithmetic number, because the mean of its divisors is an integer number (5213196).

Almost surely, 2^10426391 is an apocalyptic number.

10426391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10426391 is an equidigital number, since it uses as much as digits as its factorization.

10426391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 10426391 is about 3228.9922576556. The cubic root of 10426391 is about 218.4630549484.

Adding to 10426391 its reverse (19362401), we get a palindrome (29788792).

The spelling of 10426391 in words is "ten million, four hundred twenty-six thousand, three hundred ninety-one".