28453543 has 2 divisors, whose sum is σ = 28453544. Its totient is φ = 28453542.

The previous prime is 28453541. The next prime is 28453571. The reversal of 28453543 is 34535482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28453543 - 2¹ = 28453541 is a prime.

Together with 28453541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28453499 and 28453508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28453541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14226771 + 14226772.

It is an arithmetic number, because the mean of its divisors is an integer number (14226772).

Almost surely, 2^28453543 is an apocalyptic number.

28453543 is a deficient number, since it is larger than the sum of its proper divisors (1).

28453543 is an equidigital number, since it uses as much as digits as its factorization.

28453543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

The square root of 28453543 is about 5334.1862547159. The cubic root of 28453543 is about 305.2896755220.

The spelling of 28453543 in words is "twenty-eight million, four hundred fifty-three thousand, five hundred forty-three".