28300201 has 4 divisors (see below), whose sum is σ = 29276100. Its totient is φ = 27324304.

The previous prime is 28300159. The next prime is 28300213. The reversal of 28300201 is 10200382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20034576 + 8265625 = 4476^2 + 2875^2 .

It is a cyclic number.

It is not a de Polignac number, because 28300201 - 2¹⁵ = 28267433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28300231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487906 + ... + 487963.

It is an arithmetic number, because the mean of its divisors is an integer number (7319025).

Almost surely, 2^28300201 is an apocalyptic number.

It is an amenable number.

28300201 is a deficient number, since it is larger than the sum of its proper divisors (975899).

28300201 is an equidigital number, since it uses as much as digits as its factorization.

28300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975898.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 28300201 is about 5319.7933230531. The cubic root of 28300201 is about 304.7402644066.

Adding to 28300201 its reverse (10200382), we get a palindrome (38500583).

The spelling of 28300201 in words is "twenty-eight million, three hundred thousand, two hundred one".