8133853 has 18 divisors (see below), whose sum is σ = 10280634. Its totient is φ = 6378624.

The previous prime is 8133841. The next prime is 8133869. The reversal of 8133853 is 3583318.

It can be written as a sum of positive squares in 3 ways, for example, as 1570009 + 6563844 = 1253^2 + 2562^2 .

It is not a de Polignac number, because 8133853 - 2⁹ = 8133341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71925 + ... + 72037.

Almost surely, 2^8133853 is an apocalyptic number.

It is an amenable number.

8133853 is a deficient number, since it is larger than the sum of its proper divisors (2146781).

8133853 is a wasteful number, since it uses less digits than its factorization.

8133853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 133 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 8133853 is about 2851.9910588920. The cubic root of 8133853 is about 201.1092778057.

The spelling of 8133853 in words is "eight million, one hundred thirty-three thousand, eight hundred fifty-three".