28250210 has 16 divisors (see below), whose sum is σ = 53061696. Its totient is φ = 10808688.

The previous prime is 28250191. The next prime is 28250213. The reversal of 28250210 is 1205282.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28250213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61184 + ... + 61643.

It is an arithmetic number, because the mean of its divisors is an integer number (3316356).

Almost surely, 2^28250210 is an apocalyptic number.

28250210 is a deficient number, since it is larger than the sum of its proper divisors (24811486).

28250210 is a wasteful number, since it uses less digits than its factorization.

28250210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122857.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 28250210 is about 5315.0926614688. The cubic root of 28250210 is about 304.5607221060.

Adding to 28250210 its reverse (1205282), we get a palindrome (29455492).

The spelling of 28250210 in words is "twenty-eight million, two hundred fifty thousand, two hundred ten".