2105525443 has 12 divisors (see below), whose sum is σ = 2450449152. Its totient is φ = 1803878160.

The previous prime is 2105525437. The next prime is 2105525453. The reversal of 2105525443 is 3445255012.

It is not a de Polignac number, because 2105525443 - 2¹⁷ = 2105394371 is a prime.

It is a super-2 number, since 2×2105525443² = 8866474782240692498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105525453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107646 + ... + 125692.

It is an arithmetic number, because the mean of its divisors is an integer number (204204096).

Almost surely, 2^2105525443 is an apocalyptic number.

2105525443 is a deficient number, since it is larger than the sum of its proper divisors (344923709).

2105525443 is a wasteful number, since it uses less digits than its factorization.

2105525443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20442 (or 20435 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2105525443 is about 45886.0048707664. The cubic root of 2105525443 is about 1281.7013190201.

The spelling of 2105525443 in words is "two billion, one hundred five million, five hundred twenty-five thousand, four hundred forty-three".