10847561 has 2 divisors, whose sum is σ = 10847562. Its totient is φ = 10847560.

The previous prime is 10847531. The next prime is 10847609. The reversal of 10847561 is 16574801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 219961 = 3260^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 10847561 - 2⁶ = 10847497 is a prime.

It is not a weakly prime, because it can be changed into another prime (10847531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5423780 + 5423781.

It is an arithmetic number, because the mean of its divisors is an integer number (5423781).

Almost surely, 2^10847561 is an apocalyptic number.

It is an amenable number.

10847561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10847561 is an equidigital number, since it uses as much as digits as its factorization.

10847561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 10847561 is about 3293.5635715741. The cubic root of 10847561 is about 221.3658892592.

The spelling of 10847561 in words is "ten million, eight hundred forty-seven thousand, five hundred sixty-one".