2005541005 has 32 divisors (see below), whose sum is σ = 2738856960. Its totient is φ = 1398608640.

The previous prime is 2005541003. The next prime is 2005541033. The reversal of 2005541005 is 5001455002.

It is not a de Polignac number, because 2005541005 - 2¹ = 2005541003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005541003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109615 + ... + 126595.

It is an arithmetic number, because the mean of its divisors is an integer number (85589280).

Almost surely, 2^2005541005 is an apocalyptic number.

It is an amenable number.

2005541005 is a deficient number, since it is larger than the sum of its proper divisors (733315955).

2005541005 is a wasteful number, since it uses less digits than its factorization.

2005541005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17101.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2005541005 is about 44783.2670201717. The cubic root of 2005541005 is about 1261.0835151568.

Adding to 2005541005 its reverse (5001455002), we get a palindrome (7006996007).

The spelling of 2005541005 in words is "two billion, five million, five hundred forty-one thousand, five".