825362281 has 2 divisors, whose sum is σ = 825362282. Its totient is φ = 825362280.

The previous prime is 825362249. The next prime is 825362287. The reversal of 825362281 is 182263528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814531600 + 10830681 = 28540^2 + 3291^2 .

It is a cyclic number.

It is not a de Polignac number, because 825362281 - 2⁵ = 825362249 is a prime.

It is a super-2 number, since 2×825362281² = 1362445789795045922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825362281.

It is not a weakly prime, because it can be changed into another prime (825362287) 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, 412681140 + 412681141.

It is an arithmetic number, because the mean of its divisors is an integer number (412681141).

Almost surely, 2^825362281 is an apocalyptic number.

It is an amenable number.

825362281 is a deficient number, since it is larger than the sum of its proper divisors (1).

825362281 is an equidigital number, since it uses as much as digits as its factorization.

825362281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 37.

The square root of 825362281 is about 28729.1190432286. The cubic root of 825362281 is about 938.0259921451.

The spelling of 825362281 in words is "eight hundred twenty-five million, three hundred sixty-two thousand, two hundred eighty-one".