9081001 has 2 divisors, whose sum is σ = 9081002. Its totient is φ = 9081000.

The previous prime is 9080977. The next prime is 9081071. The reversal of 9081001 is 1001809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8696601 + 384400 = 2949^2 + 620^2 .

It is an emirp because it is prime and its reverse (1001809) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9081001 - 2⁵ = 9080969 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9081001.

It is not a weakly prime, because it can be changed into another prime (9081071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4540500 + 4540501.

It is an arithmetic number, because the mean of its divisors is an integer number (4540501).

Almost surely, 2^9081001 is an apocalyptic number.

It is an amenable number.

9081001 is a deficient number, since it is larger than the sum of its proper divisors (1).

9081001 is an equidigital number, since it uses as much as digits as its factorization.

9081001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 9081001 is about 3013.4699268451. The cubic root of 9081001 is about 208.6305523394.

The spelling of 9081001 in words is "nine million, eighty-one thousand, one".