2006541 has 12 divisors (see below), whose sum is σ = 2925468. Its totient is φ = 1325184.

The previous prime is 2006507. The next prime is 2006549. The reversal of 2006541 is 1456002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 184041 + 1822500 = 429^2 + 1350^2 .

It is not a de Polignac number, because 2006541 - 2¹³ = 1998349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (243789).

2^2006541 is an apocalyptic number.

It is an amenable number.

2006541 is a deficient number, since it is larger than the sum of its proper divisors (918927).

2006541 is a wasteful number, since it uses less digits than its factorization.

2006541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2006541 is about 1416.5242673530. The cubic root of 2006541 is about 126.1293079171.

The spelling of 2006541 in words is "two million, six thousand, five hundred forty-one".