28325485 has 16 divisors (see below), whose sum is σ = 37886400. Its totient is φ = 20203776.

The previous prime is 28325477. The next prime is 28325509. The reversal of 28325485 is 58452382.

It is a cyclic number.

It is not a de Polignac number, because 28325485 - 2³ = 28325477 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7155 + ... + 10384.

It is an arithmetic number, because the mean of its divisors is an integer number (2367900).

Almost surely, 2^28325485 is an apocalyptic number.

It is an amenable number.

28325485 is a deficient number, since it is larger than the sum of its proper divisors (9560915).

28325485 is a wasteful number, since it uses less digits than its factorization.

28325485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17580.

The product of its digits is 76800, while the sum is 37.

The square root of 28325485 is about 5322.1692006174. The cubic root of 28325485 is about 304.8309911987.

The spelling of 28325485 in words is "twenty-eight million, three hundred twenty-five thousand, four hundred eighty-five".