28543159 has 2 divisors, whose sum is σ = 28543160. Its totient is φ = 28543158.

The previous prime is 28543129. The next prime is 28543189. The reversal of 28543159 is 95134582.

It is a balanced prime because it is at equal distance from previous prime (28543129) and next prime (28543189).

It is a cyclic number.

It is not a de Polignac number, because 28543159 - 2¹⁹ = 28018871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28543129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14271579 + 14271580.

It is an arithmetic number, because the mean of its divisors is an integer number (14271580).

Almost surely, 2^28543159 is an apocalyptic number.

28543159 is a deficient number, since it is larger than the sum of its proper divisors (1).

28543159 is an equidigital number, since it uses as much as digits as its factorization.

28543159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 28543159 is about 5342.5798075462. The cubic root of 28543159 is about 305.6098485023.

The spelling of 28543159 in words is "twenty-eight million, five hundred forty-three thousand, one hundred fifty-nine".