2005450441 has 4 divisors (see below), whose sum is σ = 2123418132. Its totient is φ = 1887482752.

The previous prime is 2005450423. The next prime is 2005450463. The reversal of 2005450441 is 1440545002.

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 1581255225 + 424195216 = 39765^2 + 20596^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005450441 - 2⁵ = 2005450409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005453441) 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, 58983820 + ... + 58983853.

It is an arithmetic number, because the mean of its divisors is an integer number (530854533).

Almost surely, 2^2005450441 is an apocalyptic number.

It is an amenable number.

2005450441 is a deficient number, since it is larger than the sum of its proper divisors (117967691).

2005450441 is a wasteful number, since it uses less digits than its factorization.

2005450441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117967690.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2005450441 is about 44782.2558721644. The cubic root of 2005450441 is about 1261.0645326667.

Adding to 2005450441 its reverse (1440545002), we get a palindrome (3445995443).

The spelling of 2005450441 in words is "two billion, five million, four hundred fifty thousand, four hundred forty-one".