10291243 has 2 divisors, whose sum is σ = 10291244. Its totient is φ = 10291242.

The previous prime is 10291231. The next prime is 10291277. The reversal of 10291243 is 34219201.

It is a weak prime.

It is an emirp because it is prime and its reverse (34219201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10291243 is a prime.

It is not a weakly prime, because it can be changed into another prime (10291223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5145621 + 5145622.

It is an arithmetic number, because the mean of its divisors is an integer number (5145622).

Almost surely, 2^10291243 is an apocalyptic number.

10291243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10291243 is an equidigital number, since it uses as much as digits as its factorization.

10291243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10291243 is about 3207.9967269310. The cubic root of 10291243 is about 217.5150330914.

The spelling of 10291243 in words is "ten million, two hundred ninety-one thousand, two hundred forty-three".