825869071 has 2 divisors, whose sum is σ = 825869072. Its totient is φ = 825869070.

The previous prime is 825869069. The next prime is 825869087. The reversal of 825869071 is 170968528.

825869071 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 is a cyclic number.

It is not a de Polignac number, because 825869071 - 2¹ = 825869069 is a prime.

Together with 825869069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825869971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412934535 + 412934536.

It is an arithmetic number, because the mean of its divisors is an integer number (412934536).

Almost surely, 2^825869071 is an apocalyptic number.

825869071 is a deficient number, since it is larger than the sum of its proper divisors (1).

825869071 is an equidigital number, since it uses as much as digits as its factorization.

825869071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 825869071 is about 28737.9378348552. The cubic root of 825869071 is about 938.2179421686.

The spelling of 825869071 in words is "eight hundred twenty-five million, eight hundred sixty-nine thousand, seventy-one".