8200105 has 4 divisors (see below), whose sum is σ = 9840132. Its totient is φ = 6560080.

The previous prime is 8200091. The next prime is 8200109. The reversal of 8200105 is 5010028.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 6512704 = 1299^2 + 2552^2 .

It is not a de Polignac number, because 8200105 - 2¹³ = 8191913 is a prime.

It is a super-2 number, since 2×8200105² = 134483444022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8200109) 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, 820006 + ... + 820015.

It is an arithmetic number, because the mean of its divisors is an integer number (2460033).

Almost surely, 2^8200105 is an apocalyptic number.

It is an amenable number.

8200105 is a deficient number, since it is larger than the sum of its proper divisors (1640027).

8200105 is a wasteful number, since it uses less digits than its factorization.

8200105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640026.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 8200105 is about 2863.5825463918. The cubic root of 8200105 is about 201.6538282320.

The spelling of 8200105 in words is "eight million, two hundred thousand, one hundred five".