9094561 has 4 divisors (see below), whose sum is σ = 10393792. Its totient is φ = 7795332.

The previous prime is 9094549. The next prime is 9094571. The reversal of 9094561 is 1654909.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1654909 = 683 ⋅2423.

It is a cyclic number.

It is not a de Polignac number, because 9094561 - 2⁵ = 9094529 is a prime.

It is a super-2 number, since 2×9094561² = 165422079565442, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9094511) 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, 649605 + ... + 649618.

It is an arithmetic number, because the mean of its divisors is an integer number (2598448).

Almost surely, 2^9094561 is an apocalyptic number.

It is an amenable number.

9094561 is a deficient number, since it is larger than the sum of its proper divisors (1299231).

9094561 is a wasteful number, since it uses less digits than its factorization.

9094561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299230.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 9094561 is about 3015.7189855820. The cubic root of 9094561 is about 208.7343449840.

The spelling of 9094561 in words is "nine million, ninety-four thousand, five hundred sixty-one".