28025085 has 32 divisors (see below), whose sum is σ = 50503680. Its totient is φ = 13147200.

The previous prime is 28025083. The next prime is 28025087. The reversal of 28025085 is 58052082.

It is an interprime number because it is at equal distance from previous prime (28025083) and next prime (28025087).

It is not a de Polignac number, because 28025085 - 2¹ = 28025083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2376 + ... + 7854.

It is an arithmetic number, because the mean of its divisors is an integer number (1578240).

Almost surely, 2^28025085 is an apocalyptic number.

It is an amenable number.

28025085 is a deficient number, since it is larger than the sum of its proper divisors (22478595).

28025085 is a wasteful number, since it uses less digits than its factorization.

28025085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 28025085 is about 5293.8724011823. The cubic root of 28025085 is about 303.7495520663.

It can be divided in two parts, 2802 and 5085, that added together give a palindrome (7887).

The spelling of 28025085 in words is "twenty-eight million, twenty-five thousand, eighty-five".