8113533 has 16 divisors (see below), whose sum is σ = 11275200. Its totient is φ = 5183360.

The previous prime is 8113529. The next prime is 8113543. The reversal of 8113533 is 3353118.

It is a cyclic number.

It is not a de Polignac number, because 8113533 - 2² = 8113529 is a prime.

It is a Curzon number.

8113533 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8113543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15313 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (704700).

Almost surely, 2^8113533 is an apocalyptic number.

It is an amenable number.

8113533 is a deficient number, since it is larger than the sum of its proper divisors (3161667).

8113533 is a wasteful number, since it uses less digits than its factorization.

8113533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 1080, while the sum is 24.

The square root of 8113533 is about 2848.4264076855. The cubic root of 8113533 is about 200.9416676848.

It can be divided in two parts, 8113 and 533, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 8113533 in words is "eight million, one hundred thirteen thousand, five hundred thirty-three".