33450491 has 2 divisors, whose sum is σ = 33450492. Its totient is φ = 33450490.

The previous prime is 33450451. The next prime is 33450497. The reversal of 33450491 is 19405433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33450491 - 2¹⁸ = 33188347 is a prime.

It is a super-2 number, since 2×33450491² = 2237870696282162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33450497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16725245 + 16725246.

It is an arithmetic number, because the mean of its divisors is an integer number (16725246).

Almost surely, 2^33450491 is an apocalyptic number.

33450491 is a deficient number, since it is larger than the sum of its proper divisors (1).

33450491 is an equidigital number, since it uses as much as digits as its factorization.

33450491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 33450491 is about 5783.6399438416. The cubic root of 33450491 is about 322.2064022664.

The spelling of 33450491 in words is "thirty-three million, four hundred fifty thousand, four hundred ninety-one".