9005161 has 8 divisors (see below), whose sum is σ = 9850464. Its totient is φ = 8164320.

The previous prime is 9005149. The next prime is 9005173. The reversal of 9005161 is 1615009.

It is an interprime number because it is at equal distance from previous prime (9005149) and next prime (9005173).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9005161 - 2⁹ = 9004649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9005561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261 + ... + 6013.

It is an arithmetic number, because the mean of its divisors is an integer number (1231308).

Almost surely, 2^9005161 is an apocalyptic number.

It is an amenable number.

9005161 is a deficient number, since it is larger than the sum of its proper divisors (845303).

9005161 is a wasteful number, since it uses less digits than its factorization.

9005161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 9005161 is about 3000.8600433876. The cubic root of 9005161 is about 208.0481351246.

The spelling of 9005161 in words is "nine million, five thousand, one hundred sixty-one".