8133361 has 4 divisors (see below), whose sum is σ = 8611812. Its totient is φ = 7654912.

The previous prime is 8133347. The next prime is 8133371. The reversal of 8133361 is 1633318.

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 2755600 + 5377761 = 1660^2 + 2319^2 .

It is a cyclic number.

It is not a de Polignac number, because 8133361 - 2⁷ = 8133233 is a prime.

It is a super-2 number, since 2×8133361² = 132303122312642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8133341) 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 3 ways as a sum of consecutive naturals, for example, 239200 + ... + 239233.

It is an arithmetic number, because the mean of its divisors is an integer number (2152953).

Almost surely, 2^8133361 is an apocalyptic number.

It is an amenable number.

8133361 is a deficient number, since it is larger than the sum of its proper divisors (478451).

8133361 is a wasteful number, since it uses less digits than its factorization.

8133361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478450.

The product of its digits is 1296, while the sum is 25.

The square root of 8133361 is about 2851.9048020577. The cubic root of 8133361 is about 201.1052228288.

Adding to 8133361 its reverse (1633318), we get a palindrome (9766679).

The spelling of 8133361 in words is "eight million, one hundred thirty-three thousand, three hundred sixty-one".