9266561 has 4 divisors (see below), whose sum is σ = 9287124. Its totient is φ = 9246000.

The previous prime is 9266557. The next prime is 9266563. The reversal of 9266561 is 1656629.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 6225025 = 1744^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 9266561 - 2² = 9266557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9266563) 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, 9590 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (2321781).

Almost surely, 2^9266561 is an apocalyptic number.

It is an amenable number.

9266561 is a deficient number, since it is larger than the sum of its proper divisors (20563).

9266561 is a wasteful number, since it uses less digits than its factorization.

9266561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20562.

The product of its digits is 19440, while the sum is 35.

The square root of 9266561 is about 3044.1026592413. The cubic root of 9266561 is about 210.0420248472.

It can be divided in two parts, 92665 and 61, that multiplied together give a palindrome (5652565).

The spelling of 9266561 in words is "nine million, two hundred sixty-six thousand, five hundred sixty-one".