9561563 has 4 divisors (see below), whose sum is σ = 10430808. Its totient is φ = 8692320.

The previous prime is 9561557. The next prime is 9561611. The reversal of 9561563 is 3651659.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9561563 - 2¹⁰ = 9560539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9561533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434606 + ... + 434627.

It is an arithmetic number, because the mean of its divisors is an integer number (2607702).

Almost surely, 2^9561563 is an apocalyptic number.

9561563 is a deficient number, since it is larger than the sum of its proper divisors (869245).

9561563 is a wasteful number, since it uses less digits than its factorization.

9561563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869244.

The product of its digits is 24300, while the sum is 35.

The square root of 9561563 is about 3092.1777115813. The cubic root of 9561563 is about 212.2476857669.

It can be divided in two parts, 95 and 61563, that multiplied together give a palindrome (5848485).

The spelling of 9561563 in words is "nine million, five hundred sixty-one thousand, five hundred sixty-three".