10661297 has 2 divisors, whose sum is σ = 10661298. Its totient is φ = 10661296.

The previous prime is 10661293. The next prime is 10661311. The reversal of 10661297 is 79216601.

It is a happy number.

10661297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 2686321 = 2824^2 + 1639^2 .

It is an emirp because it is prime and its reverse (79216601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10661297 - 2² = 10661293 is a prime.

It is a super-2 number, since 2×10661297² = 227326507444418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10661293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330648 + 5330649.

It is an arithmetic number, because the mean of its divisors is an integer number (5330649).

Almost surely, 2^10661297 is an apocalyptic number.

It is an amenable number.

10661297 is a deficient number, since it is larger than the sum of its proper divisors (1).

10661297 is an equidigital number, since it uses as much as digits as its factorization.

10661297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 10661297 is about 3265.1641612636. The cubic root of 10661297 is about 220.0915390415.

Adding to 10661297 its reverse (79216601), we get a palindrome (89877898).

The spelling of 10661297 in words is "ten million, six hundred sixty-one thousand, two hundred ninety-seven".