825789929 has 2 divisors, whose sum is σ = 825789930. Its totient is φ = 825789928.

The previous prime is 825789911. The next prime is 825789959. The reversal of 825789929 is 929987528.

825789929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786914704 + 38875225 = 28052^2 + 6235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825789929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (825789959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412894964 + 412894965.

It is an arithmetic number, because the mean of its divisors is an integer number (412894965).

Almost surely, 2^825789929 is an apocalyptic number.

It is an amenable number.

825789929 is a deficient number, since it is larger than the sum of its proper divisors (1).

825789929 is an equidigital number, since it uses as much as digits as its factorization.

825789929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 59.

The square root of 825789929 is about 28736.5608415482. The cubic root of 825789929 is about 938.1879717939.

The spelling of 825789929 in words is "eight hundred twenty-five million, seven hundred eighty-nine thousand, nine hundred twenty-nine".