10243591 has 2 divisors, whose sum is σ = 10243592. Its totient is φ = 10243590.

The previous prime is 10243567. The next prime is 10243621. The reversal of 10243591 is 19534201.

10243591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19534201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10243591 - 2⁵ = 10243559 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121795 + 5121796.

It is an arithmetic number, because the mean of its divisors is an integer number (5121796).

Almost surely, 2^10243591 is an apocalyptic number.

10243591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243591 is an equidigital number, since it uses as much as digits as its factorization.

10243591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 10243591 is about 3200.5610445670. The cubic root of 10243591 is about 217.1787904069.

Adding to 10243591 its reverse (19534201), we get a palindrome (29777792).

The spelling of 10243591 in words is "ten million, two hundred forty-three thousand, five hundred ninety-one".