28082753 has 4 divisors (see below), whose sum is σ = 28543188. Its totient is φ = 27622320.

The previous prime is 28082749. The next prime is 28082767. The reversal of 28082753 is 35728082.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4190209 + 23892544 = 2047^2 + 4888^2 .

It is a cyclic number.

It is not a de Polignac number, because 28082753 - 2² = 28082749 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28082723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230126 + ... + 230247.

It is an arithmetic number, because the mean of its divisors is an integer number (7135797).

Almost surely, 2^28082753 is an apocalyptic number.

It is an amenable number.

28082753 is a deficient number, since it is larger than the sum of its proper divisors (460435).

28082753 is an equidigital number, since it uses as much as digits as its factorization.

28082753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460434.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 28082753 is about 5299.3162766531. The cubic root of 28082753 is about 303.9577539690.

The spelling of 28082753 in words is "twenty-eight million, eighty-two thousand, seven hundred fifty-three".