28300532401 has 4 divisors (see below), whose sum is σ = 28306228212. Its totient is φ = 28294836592.

The previous prime is 28300532387. The next prime is 28300532437. The reversal of 28300532401 is 10423500382.

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 8179393600 + 20121138801 = 90440^2 + 141849^2 .

It is a cyclic number.

It is not a de Polignac number, because 28300532401 - 2¹³ = 28300524209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28300532401.

It is not an unprimeable number, because it can be changed into a prime (28300532101) 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, 2840446 + ... + 2850391.

It is an arithmetic number, because the mean of its divisors is an integer number (7076557053).

Almost surely, 2^28300532401 is an apocalyptic number.

It is an amenable number.

28300532401 is a deficient number, since it is larger than the sum of its proper divisors (5695811).

28300532401 is an equidigital number, since it uses as much as digits as its factorization.

28300532401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695810.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 28300532401 in words is "twenty-eight billion, three hundred million, five hundred thirty-two thousand, four hundred one".