825048559 has 4 divisors (see below), whose sum is σ = 829323616. Its totient is φ = 820773504.

The previous prime is 825048557. The next prime is 825048589. The reversal of 825048559 is 955840528.

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 825048559 - 2¹ = 825048557 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 (825048557) 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, 2137239 + ... + 2137624.

It is an arithmetic number, because the mean of its divisors is an integer number (207330904).

Almost surely, 2^825048559 is an apocalyptic number.

825048559 is a deficient number, since it is larger than the sum of its proper divisors (4275057).

825048559 is a wasteful number, since it uses less digits than its factorization.

825048559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275056.

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 825048559 is about 28723.6585239415. The cubic root of 825048559 is about 937.9071285098.

The spelling of 825048559 in words is "eight hundred twenty-five million, forty-eight thousand, five hundred fifty-nine".