825027859 has 2 divisors, whose sum is σ = 825027860. Its totient is φ = 825027858.

The previous prime is 825027821. The next prime is 825027947. The reversal of 825027859 is 958720528.

825027859 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 a de Polignac number, because none of the positive numbers 2^k-825027859 is a prime.

It is a super-2 number, since 2×825027859² = 1361341936252247762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (825027059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412513929 + 412513930.

It is an arithmetic number, because the mean of its divisors is an integer number (412513930).

Almost surely, 2^825027859 is an apocalyptic number.

825027859 is a deficient number, since it is larger than the sum of its proper divisors (1).

825027859 is an equidigital number, since it uses as much as digits as its factorization.

825027859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 825027859 is about 28723.2981915378. The cubic root of 825027859 is about 937.8992845917.

The spelling of 825027859 in words is "eight hundred twenty-five million, twenty-seven thousand, eight hundred fifty-nine".