28625843 has 2 divisors, whose sum is σ = 28625844. Its totient is φ = 28625842.

The previous prime is 28625833. The next prime is 28625879. The reversal of 28625843 is 34852682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28625843 - 2¹⁰ = 28624819 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28625797 and 28625806.

It is not a weakly prime, because it can be changed into another prime (28625833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14312921 + 14312922.

It is an arithmetic number, because the mean of its divisors is an integer number (14312922).

Almost surely, 2^28625843 is an apocalyptic number.

28625843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28625843 is an equidigital number, since it uses as much as digits as its factorization.

28625843 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 28625843 is about 5350.3124207844. The cubic root of 28625843 is about 305.9046615147.

The spelling of 28625843 in words is "twenty-eight million, six hundred twenty-five thousand, eight hundred forty-three".