28032525583 has 4 divisors (see below), whose sum is σ = 28033795008. Its totient is φ = 28031256160.

The previous prime is 28032525569. The next prime is 28032525593. The reversal of 28032525583 is 38552523082.

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

It is a cyclic number.

It is not a de Polignac number, because 28032525583 - 2⁵ = 28032525551 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 (28032525553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600991 + ... + 645952.

It is an arithmetic number, because the mean of its divisors is an integer number (7008448752).

Almost surely, 2^28032525583 is an apocalyptic number.

28032525583 is a deficient number, since it is larger than the sum of its proper divisors (1269425).

28032525583 is a wasteful number, since it uses less digits than its factorization.

28032525583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269424.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 28032525583 in words is "twenty-eight billion, thirty-two million, five hundred twenty-five thousand, five hundred eighty-three".