10240591 has 2 divisors, whose sum is σ = 10240592. Its totient is φ = 10240590.

The previous prime is 10240537. The next prime is 10240597. The reversal of 10240591 is 19504201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10240591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10240597) 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, 5120295 + 5120296.

It is an arithmetic number, because the mean of its divisors is an integer number (5120296).

Almost surely, 2^10240591 is an apocalyptic number.

10240591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10240591 is an equidigital number, since it uses as much as digits as its factorization.

10240591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10240591 is about 3200.0923424176. The cubic root of 10240591 is about 217.1575869056.

Adding to 10240591 its reverse (19504201), we get a palindrome (29744792).

The spelling of 10240591 in words is "ten million, two hundred forty thousand, five hundred ninety-one".