2105003504 has 20 divisors (see below), whose sum is σ = 4127584776. Its totient is φ = 1039820352.

The previous prime is 2105003489. The next prime is 2105003507. The reversal of 2105003504 is 4053005012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105003507) 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, 791219 + ... + 793874.

Almost surely, 2^2105003504 is an apocalyptic number.

It is an amenable number.

2105003504 is a deficient number, since it is larger than the sum of its proper divisors (2022581272).

2105003504 is a wasteful number, since it uses less digits than its factorization.

2105003504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585184 (or 1585178 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2105003504 is about 45880.3171741434. The cubic root of 2105003504 is about 1281.5954032274.

Adding to 2105003504 its reverse (4053005012), we get a palindrome (6158008516).

The spelling of 2105003504 in words is "two billion, one hundred five million, three thousand, five hundred four".