28034543 has 2 divisors, whose sum is σ = 28034544. Its totient is φ = 28034542.

The previous prime is 28034537. The next prime is 28034549. The reversal of 28034543 is 34543082.

It is a balanced prime because it is at equal distance from previous prime (28034537) and next prime (28034549).

It is a cyclic number.

It is not a de Polignac number, because 28034543 - 2⁸ = 28034287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28034549) 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, 14017271 + 14017272.

It is an arithmetic number, because the mean of its divisors is an integer number (14017272).

Almost surely, 2^28034543 is an apocalyptic number.

28034543 is a deficient number, since it is larger than the sum of its proper divisors (1).

28034543 is an equidigital number, since it uses as much as digits as its factorization.

28034543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 28034543 is about 5294.7656227637. The cubic root of 28034543 is about 303.7837183634.

The spelling of 28034543 in words is "twenty-eight million, thirty-four thousand, five hundred forty-three".