9056581 has 2 divisors, whose sum is σ = 9056582. Its totient is φ = 9056580.

The previous prime is 9056573. The next prime is 9056623. The reversal of 9056581 is 1856509.

9056581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 2500 = 3009^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 9056581 - 2³ = 9056573 is a prime.

It is a super-2 number, since 2×9056581² = 164043318819122, which contains 22 as substring.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9056081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4528290 + 4528291.

It is an arithmetic number, because the mean of its divisors is an integer number (4528291).

Almost surely, 2^9056581 is an apocalyptic number.

It is an amenable number.

9056581 is a deficient number, since it is larger than the sum of its proper divisors (1).

9056581 is an equidigital number, since it uses as much as digits as its factorization.

9056581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 9056581 is about 3009.4153917331. The cubic root of 9056581 is about 208.4433728369.

The spelling of 9056581 in words is "nine million, fifty-six thousand, five hundred eighty-one".