33812873 has 2 divisors, whose sum is σ = 33812874. Its totient is φ = 33812872.

The previous prime is 33812851. The next prime is 33812899. The reversal of 33812873 is 37821833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33790969 + 21904 = 5813^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 33812873 - 2⁶ = 33812809 is a prime.

It is a super-2 number, since 2×33812873² = 2286620761028258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33812573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16906436 + 16906437.

It is an arithmetic number, because the mean of its divisors is an integer number (16906437).

Almost surely, 2^33812873 is an apocalyptic number.

It is an amenable number.

33812873 is a deficient number, since it is larger than the sum of its proper divisors (1).

33812873 is an equidigital number, since it uses as much as digits as its factorization.

33812873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 33812873 is about 5814.8837477631. The cubic root of 33812873 is about 323.3657542389.

The spelling of 33812873 in words is "thirty-three million, eight hundred twelve thousand, eight hundred seventy-three".