825065813 has 8 divisors (see below), whose sum is σ = 969308256. Its totient is φ = 692362800.

The previous prime is 825065807. The next prime is 825065827. The reversal of 825065813 is 318560528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825065813 - 2⁶ = 825065749 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 (825065833) 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 7 ways as a sum of consecutive naturals, for example, 2884703 + ... + 2884988.

It is an arithmetic number, because the mean of its divisors is an integer number (121163532).

Almost surely, 2^825065813 is an apocalyptic number.

It is an amenable number.

825065813 is a deficient number, since it is larger than the sum of its proper divisors (144242443).

825065813 is a wasteful number, since it uses less digits than its factorization.

825065813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769715.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 825065813 is about 28723.9588671200. The cubic root of 825065813 is about 937.9136665237.

The spelling of 825065813 in words is "eight hundred twenty-five million, sixty-five thousand, eight hundred thirteen".