28245301 has 4 divisors (see below), whose sum is σ = 32280352. Its totient is φ = 24210252.

The previous prime is 28245299. The next prime is 28245317. The reversal of 28245301 is 10354282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28245301 - 2¹ = 28245299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28245341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017515 + ... + 2017528.

It is an arithmetic number, because the mean of its divisors is an integer number (8070088).

Almost surely, 2^28245301 is an apocalyptic number.

It is an amenable number.

28245301 is a deficient number, since it is larger than the sum of its proper divisors (4035051).

28245301 is an equidigital number, since it uses as much as digits as its factorization.

28245301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035050.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28245301 is about 5314.6308432477. The cubic root of 28245301 is about 304.5430800520.

Adding to 28245301 its reverse (10354282), we get a palindrome (38599583).

The spelling of 28245301 in words is "twenty-eight million, two hundred forty-five thousand, three hundred one".