825363289 has 2 divisors, whose sum is σ = 825363290. Its totient is φ = 825363288.

The previous prime is 825363281. The next prime is 825363293. The reversal of 825363289 is 982363528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585640000 + 239723289 = 24200^2 + 15483^2 .

It is a cyclic number.

It is not a de Polignac number, because 825363289 - 2³ = 825363281 is a prime.

It is not a weakly prime, because it can be changed into another prime (825363281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412681644 + 412681645.

It is an arithmetic number, because the mean of its divisors is an integer number (412681645).

Almost surely, 2^825363289 is an apocalyptic number.

It is an amenable number.

825363289 is a deficient number, since it is larger than the sum of its proper divisors (1).

825363289 is an equidigital number, since it uses as much as digits as its factorization.

825363289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 825363289 is about 28729.1365863995. The cubic root of 825363289 is about 938.0263740097.

The spelling of 825363289 in words is "eight hundred twenty-five million, three hundred sixty-three thousand, two hundred eighty-nine".