2105533405 has 8 divisors (see below), whose sum is σ = 2534872032. Its totient is φ = 1678938768.

The previous prime is 2105533343. The next prime is 2105533421. The reversal of 2105533405 is 5043355012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105533405 - 2¹⁹ = 2105009117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684307 + ... + 687376.

It is an arithmetic number, because the mean of its divisors is an integer number (316859004).

Almost surely, 2^2105533405 is an apocalyptic number.

It is an amenable number.

2105533405 is a deficient number, since it is larger than the sum of its proper divisors (429338627).

2105533405 is a wasteful number, since it uses less digits than its factorization.

2105533405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371995.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2105533405 is about 45886.0916291636. The cubic root of 2105533405 is about 1281.7029345936.

Adding to 2105533405 its reverse (5043355012), we get a palindrome (7148888417).

The spelling of 2105533405 in words is "two billion, one hundred five million, five hundred thirty-three thousand, four hundred five".