825063893 has 2 divisors, whose sum is σ = 825063894. Its totient is φ = 825063892.

The previous prime is 825063793. The next prime is 825063917. The reversal of 825063893 is 398360528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 742944049 + 82119844 = 27257^2 + 9062^2 .

It is a cyclic number.

It is not a de Polignac number, because 825063893 - 2²⁰ = 824015317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825063293) 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 as a sum of consecutive naturals, namely, 412531946 + 412531947.

It is an arithmetic number, because the mean of its divisors is an integer number (412531947).

Almost surely, 2^825063893 is an apocalyptic number.

It is an amenable number.

825063893 is a deficient number, since it is larger than the sum of its proper divisors (1).

825063893 is an equidigital number, since it uses as much as digits as its factorization.

825063893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 825063893 is about 28723.9254455236. The cubic root of 825063893 is about 937.9129389875.

The spelling of 825063893 in words is "eight hundred twenty-five million, sixty-three thousand, eight hundred ninety-three".