28325361 has 8 divisors (see below), whose sum is σ = 38120544. Its totient is φ = 18706880.

The previous prime is 28325359. The next prime is 28325377. The reversal of 28325361 is 16352382.

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

It is a cyclic number.

It is not a de Polignac number, because 28325361 - 2¹ = 28325359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28327361) 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, 43800 + ... + 44441.

It is an arithmetic number, because the mean of its divisors is an integer number (4765068).

Almost surely, 2^28325361 is an apocalyptic number.

It is an amenable number.

28325361 is a deficient number, since it is larger than the sum of its proper divisors (9795183).

28325361 is a wasteful number, since it uses less digits than its factorization.

28325361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88351.

The product of its digits is 8640, while the sum is 30.

The square root of 28325361 is about 5322.1575512192. The cubic root of 28325361 is about 304.8305463803.

The spelling of 28325361 in words is "twenty-eight million, three hundred twenty-five thousand, three hundred sixty-one".