10958561 has 2 divisors, whose sum is σ = 10958562. Its totient is φ = 10958560.

The previous prime is 10958527. The next prime is 10958581. The reversal of 10958561 is 16585901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10764961 + 193600 = 3281^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 10958561 - 2¹⁴ = 10942177 is a prime.

It is not a weakly prime, because it can be changed into another prime (10958501) 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, 5479280 + 5479281.

It is an arithmetic number, because the mean of its divisors is an integer number (5479281).

Almost surely, 2^10958561 is an apocalyptic number.

It is an amenable number.

10958561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10958561 is an equidigital number, since it uses as much as digits as its factorization.

10958561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 10958561 is about 3310.3717313921. The cubic root of 10958561 is about 222.1183863872.

The spelling of 10958561 in words is "ten million, nine hundred fifty-eight thousand, five hundred sixty-one".