4182005 has 8 divisors (see below), whose sum is σ = 5047224. Its totient is φ = 3326400.

The previous prime is 4181987. The next prime is 4182011. The reversal of 4182005 is 5002814.

It can be written as a sum of positive squares in 4 ways, for example, as 28561 + 4153444 = 169^2 + 2038^2 .

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

It is not a de Polignac number, because 4182005 - 2⁶ = 4181941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (630903).

Almost surely, 2^4182005 is an apocalyptic number.

It is an amenable number.

4182005 is a deficient number, since it is larger than the sum of its proper divisors (865219).

4182005 is a wasteful number, since it uses less digits than its factorization.

4182005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 4182005 is about 2044.9951100186. The cubic root of 4182005 is about 161.1121089470.

Adding to 4182005 its sum of digits (20), we get a square (4182025 = 2045²).

Adding to 4182005 its reverse (5002814), we get a palindrome (9184819).

The spelling of 4182005 in words is "four million, one hundred eighty-two thousand, five".