825013218 has 16 divisors (see below), whose sum is σ = 1653595776. Its totient is φ = 274409520.

The previous prime is 825013201. The next prime is 825013219. The reversal of 825013218 is 812310528.

825013218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (825013219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145713 + ... + 151268.

It is an arithmetic number, because the mean of its divisors is an integer number (103349736).

Almost surely, 2^825013218 is an apocalyptic number.

825013218 is an abundant number, since it is smaller than the sum of its proper divisors (828582558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825013218 is a wasteful number, since it uses less digits than its factorization.

825013218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297449.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 825013218 is about 28723.0433276142. The cubic root of 825013218 is about 937.8937365509.

The spelling of 825013218 in words is "eight hundred twenty-five million, thirteen thousand, two hundred eighteen".