8105413 has 16 divisors (see below), whose sum is σ = 9117360. Its totient is φ = 7168000.

The previous prime is 8105401. The next prime is 8105423. The reversal of 8105413 is 3145018.

It can be written as a sum of positive squares in 8 ways, for example, as 388129 + 7717284 = 623^2 + 2778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8105413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20013 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (569835).

Almost surely, 2^8105413 is an apocalyptic number.

It is an amenable number.

8105413 is a deficient number, since it is larger than the sum of its proper divisors (1011947).

8105413 is a wasteful number, since it uses less digits than its factorization.

8105413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 8105413 is about 2847.0007024938. Note that the first 3 decimals coincide. The cubic root of 8105413 is about 200.8746113662.

The spelling of 8105413 in words is "eight million, one hundred five thousand, four hundred thirteen".