2013043541 has 2 divisors, whose sum is σ = 2013043542. Its totient is φ = 2013043540.

The previous prime is 2013043519. The next prime is 2013043567. The reversal of 2013043541 is 1453403102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1057615441 + 955428100 = 32521^2 + 30910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013043541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013042541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006521770 + 1006521771.

It is an arithmetic number, because the mean of its divisors is an integer number (1006521771).

Almost surely, 2^2013043541 is an apocalyptic number.

It is an amenable number.

2013043541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013043541 is an equidigital number, since it uses as much as digits as its factorization.

2013043541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2013043541 is about 44866.9537744652. The cubic root of 2013043541 is about 1262.6540890382.

Adding to 2013043541 its reverse (1453403102), we get a palindrome (3466446643).

The spelling of 2013043541 in words is "two billion, thirteen million, forty-three thousand, five hundred forty-one".