8002105 has 4 divisors (see below), whose sum is σ = 9602532. Its totient is φ = 6401680.

The previous prime is 8002103. The next prime is 8002117. The reversal of 8002105 is 5012008.

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 6330256 + 1671849 = 2516^2 + 1293^2 .

It is not a de Polignac number, because 8002105 - 2¹ = 8002103 is a prime.

It is a Duffinian number.

8002105 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8002103) 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, 800206 + ... + 800215.

It is an arithmetic number, because the mean of its divisors is an integer number (2400633).

Almost surely, 2^8002105 is an apocalyptic number.

It is an amenable number.

8002105 is a deficient number, since it is larger than the sum of its proper divisors (1600427).

8002105 is a wasteful number, since it uses less digits than its factorization.

8002105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600426.

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

The square root of 8002105 is about 2828.7992152148. The cubic root of 8002105 is about 200.0175401283.

The spelling of 8002105 in words is "eight million, two thousand, one hundred five".