2105523201 has 8 divisors (see below), whose sum is σ = 2929423680. Its totient is φ = 1342652432.

The previous prime is 2105523191. The next prime is 2105523227. The reversal of 2105523201 is 1023255012.

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 2105523201 - 2⁵ = 2105523169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2105523701) 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, 15257346 + ... + 15257483.

It is an arithmetic number, because the mean of its divisors is an integer number (366177960).

Almost surely, 2^2105523201 is an apocalyptic number.

It is an amenable number.

2105523201 is a deficient number, since it is larger than the sum of its proper divisors (823900479).

2105523201 is a wasteful number, since it uses less digits than its factorization.

2105523201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30514855.

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

The square root of 2105523201 is about 45885.9804406531. The cubic root of 2105523201 is about 1281.7008640940.

Adding to 2105523201 its reverse (1023255012), we get a palindrome (3128778213).

The spelling of 2105523201 in words is "two billion, one hundred five million, five hundred twenty-three thousand, two hundred one".