4001541 has 8 divisors (see below), whose sum is σ = 5390784. Its totient is φ = 2640000.

The previous prime is 4001531. The next prime is 4001549. The reversal of 4001541 is 1451004.

4001541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4001541 - 2⁵ = 4001509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4001541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6585 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (673848).

Almost surely, 2^4001541 is an apocalyptic number.

It is an amenable number.

4001541 is a deficient number, since it is larger than the sum of its proper divisors (1389243).

4001541 is a wasteful number, since it uses less digits than its factorization.

4001541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13851.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4001541 is about 2000.3852129028. The cubic root of 4001541 is about 158.7604874548.

Adding to 4001541 its reverse (1451004), we get a palindrome (5452545).

The spelling of 4001541 in words is "four million, one thousand, five hundred forty-one".