2013105541 has 4 divisors (see below), whose sum is σ = 2131523532. Its totient is φ = 1894687552.

The previous prime is 2013105539. The next prime is 2013105593. The reversal of 2013105541 is 1455013102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1894077441 + 119028100 = 43521^2 + 10910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013105541 - 2¹ = 2013105539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013105641) 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, 59208970 + ... + 59209003.

It is an arithmetic number, because the mean of its divisors is an integer number (532880883).

Almost surely, 2^2013105541 is an apocalyptic number.

It is an amenable number.

2013105541 is a deficient number, since it is larger than the sum of its proper divisors (118417991).

2013105541 is a wasteful number, since it uses less digits than its factorization.

2013105541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118417990.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2013105541 is about 44867.6447008309. The cubic root of 2013105541 is about 1262.6670517897.

Adding to 2013105541 its reverse (1455013102), we get a palindrome (3468118643).

The spelling of 2013105541 in words is "two billion, thirteen million, one hundred five thousand, five hundred forty-one".