28545085 has 8 divisors (see below), whose sum is σ = 34835040. Its totient is φ = 22448784.

The previous prime is 28545073. The next prime is 28545089. The reversal of 28545085 is 58054582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28545085 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545089) 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 in 7 ways as a sum of consecutive naturals, for example, 48087 + ... + 48676.

It is an arithmetic number, because the mean of its divisors is an integer number (4354380).

Almost surely, 2^28545085 is an apocalyptic number.

It is an amenable number.

28545085 is a deficient number, since it is larger than the sum of its proper divisors (6289955).

28545085 is an equidigital number, since it uses as much as digits as its factorization.

28545085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96827.

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 28545085 is about 5342.7600545037. The cubic root of 28545085 is about 305.6167222022.

The spelling of 28545085 in words is "twenty-eight million, five hundred forty-five thousand, eighty-five".