8209133 has 2 divisors, whose sum is σ = 8209134. Its totient is φ = 8209132.

The previous prime is 8209129. The next prime is 8209151. The reversal of 8209133 is 3319028.

8209133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 1170724 = 2653^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 8209133 - 2² = 8209129 is a prime.

It is a super-2 number, since 2×8209133² = 134779729223378, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8209193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104566 + 4104567.

It is an arithmetic number, because the mean of its divisors is an integer number (4104567).

Almost surely, 2^8209133 is an apocalyptic number.

It is an amenable number.

8209133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8209133 is an equidigital number, since it uses as much as digits as its factorization.

8209133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 8209133 is about 2865.1584598413. The cubic root of 8209133 is about 201.7278054579.

The spelling of 8209133 in words is "eight million, two hundred nine thousand, one hundred thirty-three".