10789561 has 2 divisors, whose sum is σ = 10789562. Its totient is φ = 10789560.

The previous prime is 10789529. The next prime is 10789567. The reversal of 10789561 is 16598701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7617600 + 3171961 = 2760^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 10789561 - 2⁵ = 10789529 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10789561.

It is not a weakly prime, because it can be changed into another prime (10789567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5394780 + 5394781.

It is an arithmetic number, because the mean of its divisors is an integer number (5394781).

Almost surely, 2^10789561 is an apocalyptic number.

It is an amenable number.

10789561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10789561 is an equidigital number, since it uses as much as digits as its factorization.

10789561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 10789561 is about 3284.7467177851. The cubic root of 10789561 is about 220.9706491736.

The spelling of 10789561 in words is "ten million, seven hundred eighty-nine thousand, five hundred sixty-one".