9561103 has 2 divisors, whose sum is σ = 9561104. Its totient is φ = 9561102.

The previous prime is 9561061. The next prime is 9561107. The reversal of 9561103 is 3011659.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9561103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9561107) 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 as a sum of consecutive naturals, namely, 4780551 + 4780552.

It is an arithmetic number, because the mean of its divisors is an integer number (4780552).

Almost surely, 2^9561103 is an apocalyptic number.

9561103 is a deficient number, since it is larger than the sum of its proper divisors (1).

9561103 is an equidigital number, since it uses as much as digits as its factorization.

9561103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 9561103 is about 3092.1033294507. The cubic root of 9561103 is about 212.2442820172.

The spelling of 9561103 in words is "nine million, five hundred sixty-one thousand, one hundred three".