28325083 has 4 divisors (see below), whose sum is σ = 29301840. Its totient is φ = 27348328.

The previous prime is 28325071. The next prime is 28325107. The reversal of 28325083 is 38052382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28325083 - 2¹⁷ = 28194011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28325053) 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 3 ways as a sum of consecutive naturals, for example, 488335 + ... + 488392.

It is an arithmetic number, because the mean of its divisors is an integer number (7325460).

Almost surely, 2^28325083 is an apocalyptic number.

28325083 is a deficient number, since it is larger than the sum of its proper divisors (976757).

28325083 is an equidigital number, since it uses as much as digits as its factorization.

28325083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976756.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 28325083 is about 5322.1314339276. The cubic root of 28325083 is about 304.8295491212.

The spelling of 28325083 in words is "twenty-eight million, three hundred twenty-five thousand, eighty-three".