8141605 has 8 divisors (see below), whose sum is σ = 10107000. Its totient is φ = 6288576.

The previous prime is 8141603. The next prime is 8141611. The reversal of 8141605 is 5061418.

It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 6380676 = 1327^2 + 2526^2 .

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 8141605 - 2¹ = 8141603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8141605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8141603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27930 + ... + 28219.

It is an arithmetic number, because the mean of its divisors is an integer number (1263375).

Almost surely, 2^8141605 is an apocalyptic number.

It is an amenable number.

8141605 is a deficient number, since it is larger than the sum of its proper divisors (1965395).

8141605 is a wasteful number, since it uses less digits than its factorization.

8141605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56183.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 8141605 is about 2853.3497857781. The cubic root of 8141605 is about 201.1731468443.

The spelling of 8141605 in words is "eight million, one hundred forty-one thousand, six hundred five".