33454189 has 2 divisors, whose sum is σ = 33454190. Its totient is φ = 33454188.

The previous prime is 33454159. The next prime is 33454199. The reversal of 33454189 is 98145433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 5098564 = 5325^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 33454189 - 2⁷ = 33454061 is a prime.

It is a super-2 number, since 2×33454189² = 2238365523295442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33454159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16727094 + 16727095.

It is an arithmetic number, because the mean of its divisors is an integer number (16727095).

Almost surely, 2^33454189 is an apocalyptic number.

It is an amenable number.

33454189 is a deficient number, since it is larger than the sum of its proper divisors (1).

33454189 is an equidigital number, since it uses as much as digits as its factorization.

33454189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 33454189 is about 5783.9596298729. The cubic root of 33454189 is about 322.2182752897.

The spelling of 33454189 in words is "thirty-three million, four hundred fifty-four thousand, one hundred eighty-nine".