28141525033 has 4 divisors (see below), whose sum is σ = 28225031380. Its totient is φ = 28058018688.

The previous prime is 28141525031. The next prime is 28141525037. The reversal of 28141525033 is 33052514182.

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 16783720704 + 11357804329 = 129552^2 + 106573^2 .

It is a cyclic number.

It is not a de Polignac number, because 28141525033 - 2¹ = 28141525031 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 28141525033.

It is not an unprimeable number, because it can be changed into a prime (28141525031) 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, 41752668 + ... + 41753341.

It is an arithmetic number, because the mean of its divisors is an integer number (7056257845).

Almost surely, 2^28141525033 is an apocalyptic number.

It is an amenable number.

28141525033 is a deficient number, since it is larger than the sum of its proper divisors (83506347).

28141525033 is an equidigital number, since it uses as much as digits as its factorization.

28141525033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83506346.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 28141525033 in words is "twenty-eight billion, one hundred forty-one million, five hundred twenty-five thousand, thirty-three".