8533891 has 2 divisors, whose sum is σ = 8533892. Its totient is φ = 8533890.

The previous prime is 8533883. The next prime is 8533913. The reversal of 8533891 is 1983358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8533891 - 2³ = 8533883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8533891.

It is not a weakly prime, because it can be changed into another prime (8533841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266945 + 4266946.

It is an arithmetic number, because the mean of its divisors is an integer number (4266946).

Almost surely, 2^8533891 is an apocalyptic number.

8533891 is a deficient number, since it is larger than the sum of its proper divisors (1).

8533891 is an equidigital number, since it uses as much as digits as its factorization.

8533891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 8533891 is about 2921.2824238680. The cubic root of 8533891 is about 204.3536333874.

The spelling of 8533891 in words is "eight million, five hundred thirty-three thousand, eight hundred ninety-one".