4505181 has 8 divisors (see below), whose sum is σ = 6108960. Its totient is φ = 2952432.

The previous prime is 4505177. The next prime is 4505183. The reversal of 4505181 is 1815054.

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

It is not a de Polignac number, because 4505181 - 2² = 4505177 is a prime.

It is a super-2 number, since 2×4505181² = 40593311685522, which contains 22 as substring.

4505181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12550 + ... + 12903.

It is an arithmetic number, because the mean of its divisors is an integer number (763620).

Almost surely, 2^4505181 is an apocalyptic number.

It is an amenable number.

4505181 is a deficient number, since it is larger than the sum of its proper divisors (1603779).

4505181 is a wasteful number, since it uses less digits than its factorization.

4505181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25515.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 4505181 is about 2122.5411656785. The cubic root of 4505181 is about 165.1596984591.

The spelling of 4505181 in words is "four million, five hundred five thousand, one hundred eighty-one".