28241025 has 12 divisors (see below), whose sum is σ = 46691952. Its totient is φ = 15061840.

The previous prime is 28241023. The next prime is 28241071. The reversal of 28241025 is 52014282.

It is not a de Polignac number, because 28241025 - 2¹ = 28241023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28240986 and 28241004.

It is not an unprimeable number, because it can be changed into a prime (28241021) 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 11 ways as a sum of consecutive naturals, for example, 188199 + ... + 188348.

It is an arithmetic number, because the mean of its divisors is an integer number (3890996).

Almost surely, 2^28241025 is an apocalyptic number.

28241025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28241025 is a deficient number, since it is larger than the sum of its proper divisors (18450927).

28241025 is a wasteful number, since it uses less digits than its factorization.

28241025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376560 (or 376555 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 28241025 is about 5314.2285423192. The cubic root of 28241025 is about 304.5277112191.

The spelling of 28241025 in words is "twenty-eight million, two hundred forty-one thousand, twenty-five".