4485181 has 4 divisors (see below), whose sum is σ = 4552192. Its totient is φ = 4418172.

The previous prime is 4485179. The next prime is 4485191. The reversal of 4485181 is 1815844.

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.

It is a cyclic number.

It is not a de Polignac number, because 4485181 - 2¹ = 4485179 is a prime.

It is a super-2 number, since 2×4485181² = 40233697205522, which contains 22 as substring.

It is a Duffinian number.

4485181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4485191) 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, 33405 + ... + 33538.

It is an arithmetic number, because the mean of its divisors is an integer number (1138048).

Almost surely, 2^4485181 is an apocalyptic number.

It is an amenable number.

4485181 is a deficient number, since it is larger than the sum of its proper divisors (67011).

4485181 is an equidigital number, since it uses as much as digits as its factorization.

4485181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67010.

The product of its digits is 5120, while the sum is 31.

The square root of 4485181 is about 2117.8245914145. The cubic root of 4485181 is about 164.9149362580.

The spelling of 4485181 in words is "four million, four hundred eighty-five thousand, one hundred eighty-one".