4018141 has 4 divisors (see below), whose sum is σ = 4022784. Its totient is φ = 4013500.

The previous prime is 4018109. The next prime is 4018151. The reversal of 4018141 is 1418104.

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 4018141 - 2⁵ = 4018109 is a prime.

It is a super-2 number, since 2×4018141² = 32290914191762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018151) 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, 595 + ... + 2896.

It is an arithmetic number, because the mean of its divisors is an integer number (1005696).

Almost surely, 2^4018141 is an apocalyptic number.

It is an amenable number.

4018141 is a deficient number, since it is larger than the sum of its proper divisors (4643).

4018141 is a wasteful number, since it uses less digits than its factorization.

4018141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 4018141 is about 2004.5301195043. The cubic root of 4018141 is about 158.9797186794.

It can be divided in two parts, 40 and 18141, that added together give a palindrome (18181).

The spelling of 4018141 in words is "four million, eighteen thousand, one hundred forty-one".