9561573 has 12 divisors (see below), whose sum is σ = 15784288. Its totient is φ = 5463720.

The previous prime is 9561557. The next prime is 9561611. The reversal of 9561573 is 3751659.

It is a happy number.

It is not a de Polignac number, because 9561573 - 2⁴ = 9561557 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75823 + ... + 75948.

Almost surely, 2^9561573 is an apocalyptic number.

It is an amenable number.

9561573 is a deficient number, since it is larger than the sum of its proper divisors (6222715).

9561573 is a wasteful number, since it uses less digits than its factorization.

9561573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151784 (or 151781 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 9561573 is about 3092.1793285642. The cubic root of 9561573 is about 212.2477597603.

The spelling of 9561573 in words is "nine million, five hundred sixty-one thousand, five hundred seventy-three".