2105530401 has 8 divisors (see below), whose sum is σ = 3023325760. Its totient is φ = 1295710992.

The previous prime is 2105530379. The next prime is 2105530421. The reversal of 2105530401 is 1040355012.

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

It is not a de Polignac number, because 2105530401 - 2¹⁵ = 2105497633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2105530421) 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 7 ways as a sum of consecutive naturals, for example, 26993941 + ... + 26994018.

It is an arithmetic number, because the mean of its divisors is an integer number (377915720).

Almost surely, 2^2105530401 is an apocalyptic number.

It is an amenable number.

2105530401 is a deficient number, since it is larger than the sum of its proper divisors (917795359).

2105530401 is a wasteful number, since it uses less digits than its factorization.

2105530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53987975.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2105530401 is about 45886.0588959218. The cubic root of 2105530401 is about 1281.7023250509.

Adding to 2105530401 its reverse (1040355012), we get a palindrome (3145885413).

The spelling of 2105530401 in words is "two billion, one hundred five million, five hundred thirty thousand, four hundred one".