9522561 has 4 divisors (see below), whose sum is σ = 12696752. Its totient is φ = 6348372.

The previous prime is 9522559. The next prime is 9522571. The reversal of 9522561 is 1652259.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9522561 - 2¹ = 9522559 is a prime.

It is a Duffinian number.

It is a Curzon number.

9522561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9522511) 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, 1587091 + ... + 1587096.

It is an arithmetic number, because the mean of its divisors is an integer number (3174188).

Almost surely, 2^9522561 is an apocalyptic number.

It is an amenable number.

9522561 is a deficient number, since it is larger than the sum of its proper divisors (3174191).

9522561 is a wasteful number, since it uses less digits than its factorization.

9522561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174190.

The product of its digits is 5400, while the sum is 30.

The square root of 9522561 is about 3085.8647086352. The cubic root of 9522561 is about 211.9587035380.

The spelling of 9522561 in words is "nine million, five hundred twenty-two thousand, five hundred sixty-one".