8373133 has 2 divisors, whose sum is σ = 8373134. Its totient is φ = 8373132.

The previous prime is 8373073. The next prime is 8373139. The reversal of 8373133 is 3313738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6985449 + 1387684 = 2643^2 + 1178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8373133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8373139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4186566 + 4186567.

It is an arithmetic number, because the mean of its divisors is an integer number (4186567).

Almost surely, 2^8373133 is an apocalyptic number.

It is an amenable number.

8373133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8373133 is an equidigital number, since it uses as much as digits as its factorization.

8373133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 8373133 is about 2893.6366392483. The cubic root of 8373133 is about 203.0623135320.

The spelling of 8373133 in words is "eight million, three hundred seventy-three thousand, one hundred thirty-three".