9049181 has 4 divisors (see below), whose sum is σ = 9055200. Its totient is φ = 9043164.

The previous prime is 9049177. The next prime is 9049193. The reversal of 9049181 is 1819409.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9049181 - 2² = 9049177 is a prime.

It is a super-2 number, since 2×9049181² = 163775353541522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9049121) 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, 1400 + ... + 4478.

It is an arithmetic number, because the mean of its divisors is an integer number (2263800).

Almost surely, 2^9049181 is an apocalyptic number.

It is an amenable number.

9049181 is a deficient number, since it is larger than the sum of its proper divisors (6019).

9049181 is a wasteful number, since it uses less digits than its factorization.

9049181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 9049181 is about 3008.1856658125. The cubic root of 9049181 is about 208.3865853560.

The spelling of 9049181 in words is "nine million, forty-nine thousand, one hundred eighty-one".