28862543 has 2 divisors, whose sum is σ = 28862544. Its totient is φ = 28862542.

The previous prime is 28862531. The next prime is 28862563. The reversal of 28862543 is 34526882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28862543 - 2⁴ = 28862527 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28862497 and 28862506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28862513) 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, 14431271 + 14431272.

It is an arithmetic number, because the mean of its divisors is an integer number (14431272).

Almost surely, 2^28862543 is an apocalyptic number.

28862543 is a deficient number, since it is larger than the sum of its proper divisors (1).

28862543 is an equidigital number, since it uses as much as digits as its factorization.

28862543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 38.

The square root of 28862543 is about 5372.3870858307. The cubic root of 28862543 is about 306.7454981387.

The spelling of 28862543 in words is "twenty-eight million, eight hundred sixty-two thousand, five hundred forty-three".