10328561 has 2 divisors, whose sum is σ = 10328562. Its totient is φ = 10328560.

The previous prime is 10328491. The next prime is 10328569. The reversal of 10328561 is 16582301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 3876961 = 2540^2 + 1969^2 .

It is a cyclic number.

It is not a de Polignac number, because 10328561 - 2¹⁴ = 10312177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10328561.

It is not a weakly prime, because it can be changed into another prime (10328569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5164280 + 5164281.

It is an arithmetic number, because the mean of its divisors is an integer number (5164281).

Almost surely, 2^10328561 is an apocalyptic number.

It is an amenable number.

10328561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10328561 is an equidigital number, since it uses as much as digits as its factorization.

10328561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 10328561 is about 3213.8078660679. The cubic root of 10328561 is about 217.7776328631. Note that the first 3 decimals are identical.

The spelling of 10328561 in words is "ten million, three hundred twenty-eight thousand, five hundred sixty-one".