10997291 has 2 divisors, whose sum is σ = 10997292. Its totient is φ = 10997290.

The previous prime is 10997279. The next prime is 10997309. The reversal of 10997291 is 19279901.

It is a weak prime.

It is an emirp because it is prime and its reverse (19279901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10997291 - 2⁶ = 10997227 is a prime.

It is not a weakly prime, because it can be changed into another prime (10997221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498645 + 5498646.

It is an arithmetic number, because the mean of its divisors is an integer number (5498646).

Almost surely, 2^10997291 is an apocalyptic number.

10997291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10997291 is an equidigital number, since it uses as much as digits as its factorization.

10997291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 10997291 is about 3316.2163680918. The cubic root of 10997291 is about 222.3797507033.

The spelling of 10997291 in words is "ten million, nine hundred ninety-seven thousand, two hundred ninety-one".