825403983 has 16 divisors (see below), whose sum is σ = 1108563456. Its totient is φ = 546268320.

The previous prime is 825403979. The next prime is 825403991. The reversal of 825403983 is 389304528.

825403983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 825403983 - 2² = 825403979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825403903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445966 + ... + 447812.

It is an arithmetic number, because the mean of its divisors is an integer number (69285216).

Almost surely, 2^825403983 is an apocalyptic number.

825403983 is a deficient number, since it is larger than the sum of its proper divisors (283159473).

825403983 is a wasteful number, since it uses less digits than its factorization.

825403983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 825403983 is about 28729.8448133644. The cubic root of 825403983 is about 938.0417900164.

The spelling of 825403983 in words is "eight hundred twenty-five million, four hundred three thousand, nine hundred eighty-three".