28241075 has 6 divisors (see below), whose sum is σ = 35018964. Its totient is φ = 22592840.

The previous prime is 28241071. The next prime is 28241107. The reversal of 28241075 is 57014282.

It is not a de Polignac number, because 28241075 - 2² = 28241071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28241071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564797 + ... + 564846.

It is an arithmetic number, because the mean of its divisors is an integer number (5836494).

Almost surely, 2^28241075 is an apocalyptic number.

28241075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28241075 is a deficient number, since it is larger than the sum of its proper divisors (6777889).

28241075 is a wasteful number, since it uses less digits than its factorization.

28241075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129653 (or 1129648 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 28241075 is about 5314.2332466688. The cubic root of 28241075 is about 304.5278909385.

The spelling of 28241075 in words is "twenty-eight million, two hundred forty-one thousand, seventy-five".