10205291 has 2 divisors, whose sum is σ = 10205292. Its totient is φ = 10205290.

The previous prime is 10205257. The next prime is 10205297. The reversal of 10205291 is 19250201.

It is a strong prime.

It is an emirp because it is prime and its reverse (19250201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10205291 - 2⁶ = 10205227 is a prime.

It is not a weakly prime, because it can be changed into another prime (10205297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102645 + 5102646.

It is an arithmetic number, because the mean of its divisors is an integer number (5102646).

Almost surely, 2^10205291 is an apocalyptic number.

10205291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205291 is an equidigital number, since it uses as much as digits as its factorization.

10205291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10205291 is about 3194.5721153231. The cubic root of 10205291 is about 216.9077807586.

Adding to 10205291 its reverse (19250201), we get a palindrome (29455492).

The spelling of 10205291 in words is "ten million, two hundred five thousand, two hundred ninety-one".