8143361 has 4 divisors (see below), whose sum is σ = 8316672. Its totient is φ = 7970052.

The previous prime is 8143351. The next prime is 8143427. The reversal of 8143361 is 1633418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1633418 = 2 ⋅816709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8143361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8143361.

It is not an unprimeable number, because it can be changed into a prime (8143351) 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, 86585 + ... + 86678.

It is an arithmetic number, because the mean of its divisors is an integer number (2079168).

Almost surely, 2^8143361 is an apocalyptic number.

It is an amenable number.

8143361 is a deficient number, since it is larger than the sum of its proper divisors (173311).

8143361 is a wasteful number, since it uses less digits than its factorization.

8143361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173310.

The product of its digits is 1728, while the sum is 26.

The square root of 8143361 is about 2853.6574776942. The cubic root of 8143361 is about 201.1876089662.

Adding to 8143361 its reverse (1633418), we get a palindrome (9776779).

The spelling of 8143361 in words is "eight million, one hundred forty-three thousand, three hundred sixty-one".