825755572 has 12 divisors (see below), whose sum is σ = 1447263076. Its totient is φ = 412251840.

The previous prime is 825755543. The next prime is 825755573. The reversal of 825755572 is 275557528.

It can be written as a sum of positive squares in 2 ways, for example, as 606833956 + 218921616 = 24634^2 + 14796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825755573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153513 + ... + 158800.

Almost surely, 2^825755572 is an apocalyptic number.

It is an amenable number.

825755572 is a deficient number, since it is larger than the sum of its proper divisors (621507504).

825755572 is a wasteful number, since it uses less digits than its factorization.

825755572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312978 (or 312976 counting only the distinct ones).

The product of its digits is 980000, while the sum is 46.

The square root of 825755572 is about 28735.9630428493. The cubic root of 825755572 is about 938.1749605062.

The spelling of 825755572 in words is "eight hundred twenty-five million, seven hundred fifty-five thousand, five hundred seventy-two".