2005331541 has 4 divisors (see below), whose sum is σ = 2673775392. Its totient is φ = 1336887692.

The previous prime is 2005331483. The next prime is 2005331569. The reversal of 2005331541 is 1451335002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2005331541 - 2⁷ = 2005331413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005331941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334221921 + ... + 334221926.

It is an arithmetic number, because the mean of its divisors is an integer number (668443848).

Almost surely, 2^2005331541 is an apocalyptic number.

It is an amenable number.

2005331541 is a deficient number, since it is larger than the sum of its proper divisors (668443851).

2005331541 is an equidigital number, since it uses as much as digits as its factorization.

2005331541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668443850.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2005331541 is about 44780.9283177560. The cubic root of 2005331541 is about 1261.0396099971.

Adding to 2005331541 its reverse (1451335002), we get a palindrome (3456666543).

The spelling of 2005331541 in words is "two billion, five million, three hundred thirty-one thousand, five hundred forty-one".