10364561 has 4 divisors (see below), whose sum is σ = 10371252. Its totient is φ = 10357872.

The previous prime is 10364533. The next prime is 10364569. The reversal of 10364561 is 16546301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16546301 = 149 ⋅111049.

It can be written as a sum of positive squares in 2 ways, for example, as 5612161 + 4752400 = 2369^2 + 2180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10364561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10364561.

It is not an unprimeable number, because it can be changed into a prime (10364569) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (2592813).

Almost surely, 2^10364561 is an apocalyptic number.

It is an amenable number.

10364561 is a deficient number, since it is larger than the sum of its proper divisors (6691).

10364561 is an equidigital number, since it uses as much as digits as its factorization.

10364561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10364561 is about 3219.4038267978. The cubic root of 10364561 is about 218.0303593776.

The spelling of 10364561 in words is "ten million, three hundred sixty-four thousand, five hundred sixty-one".