10897231 has 2 divisors, whose sum is σ = 10897232. Its totient is φ = 10897230.

The previous prime is 10897207. The next prime is 10897247. The reversal of 10897231 is 13279801.

It is a strong prime.

It is an emirp because it is prime and its reverse (13279801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10897231 - 2⁵ = 10897199 is a prime.

It is a super-2 number, since 2×10897231² = 237499286934722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10897193 and 10897202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10897261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5448615 + 5448616.

It is an arithmetic number, because the mean of its divisors is an integer number (5448616).

Almost surely, 2^10897231 is an apocalyptic number.

10897231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10897231 is an equidigital number, since it uses as much as digits as its factorization.

10897231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 10897231 is about 3301.0954242494. The cubic root of 10897231 is about 221.7032463298.

The spelling of 10897231 in words is "ten million, eight hundred ninety-seven thousand, two hundred thirty-one".