9104561 has 2 divisors, whose sum is σ = 9104562. Its totient is φ = 9104560.

The previous prime is 9104551. The next prime is 9104567. The reversal of 9104561 is 1654019.

9104561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7529536 + 1575025 = 2744^2 + 1255^2 .

It is an emirp because it is prime and its reverse (1654019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9104561 - 2¹⁰ = 9103537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9104561.

It is not a weakly prime, because it can be changed into another prime (9104567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4552280 + 4552281.

It is an arithmetic number, because the mean of its divisors is an integer number (4552281).

Almost surely, 2^9104561 is an apocalyptic number.

It is an amenable number.

9104561 is a deficient number, since it is larger than the sum of its proper divisors (1).

9104561 is an equidigital number, since it uses as much as digits as its factorization.

9104561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 9104561 is about 3017.3765094863. The cubic root of 9104561 is about 208.8108221540.

The spelling of 9104561 in words is "nine million, one hundred four thousand, five hundred sixty-one".