2016541 has 2 divisors, whose sum is σ = 2016542. Its totient is φ = 2016540.

The previous prime is 2016529. The next prime is 2016551. The reversal of 2016541 is 1456102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 136900 = 1371^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016541 - 2⁹ = 2016029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2016551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008270 + 1008271.

It is an arithmetic number, because the mean of its divisors is an integer number (1008271).

2^2016541 is an apocalyptic number.

It is an amenable number.

2016541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016541 is an equidigital number, since it uses as much as digits as its factorization.

2016541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2016541 is about 1420.0496470194. The cubic root of 2016541 is about 126.3384910435.

It can be divided in two parts, 20 and 16541, that added together give a palindrome (16561).

The spelling of 2016541 in words is "two million, sixteen thousand, five hundred forty-one".