825565528 has 16 divisors (see below), whose sum is σ = 1580870880. Its totient is φ = 403999968.

The previous prime is 825565501. The next prime is 825565547.

825565528 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097451 + ... + 1098202.

It is an arithmetic number, because the mean of its divisors is an integer number (98804430).

Almost surely, 2^825565528 is an apocalyptic number.

It is an amenable number.

825565528 is a deficient number, since it is larger than the sum of its proper divisors (755305352).

825565528 is a wasteful number, since it uses less digits than its factorization.

825565528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195706 (or 2195702 counting only the distinct ones).

The product of its digits is 960000, while the sum is 46.

The square root of 825565528 is about 28732.6561250435. The cubic root of 825565528 is about 938.1029827088.

The spelling of 825565528 in words is "eight hundred twenty-five million, five hundred sixty-five thousand, five hundred twenty-eight".