825646803 has 16 divisors (see below), whose sum is σ = 1174137120. Its totient is φ = 514267136.

The previous prime is 825646781. The next prime is 825646853. The reversal of 825646803 is 308646528.

It is not a de Polignac number, because 825646803 - 2⁶ = 825646739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825646853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52098 + ... + 66071.

It is an arithmetic number, because the mean of its divisors is an integer number (73383570).

Almost surely, 2^825646803 is an apocalyptic number.

825646803 is a deficient number, since it is larger than the sum of its proper divisors (348490317).

825646803 is a wasteful number, since it uses less digits than its factorization.

825646803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118326.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 825646803 is about 28734.0704217137. The cubic root of 825646803 is about 938.1337663819.

The spelling of 825646803 in words is "eight hundred twenty-five million, six hundred forty-six thousand, eight hundred three".