825028441 has 2 divisors, whose sum is σ = 825028442. Its totient is φ = 825028440.

The previous prime is 825028439. The next prime is 825028471. The reversal of 825028441 is 144820528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690375625 + 134652816 = 26275^2 + 11604^2 .

It is a cyclic number.

It is not a de Polignac number, because 825028441 - 2¹ = 825028439 is a prime.

Together with 825028439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 825028397 and 825028406.

It is not a weakly prime, because it can be changed into another prime (825028471) 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, 412514220 + 412514221.

It is an arithmetic number, because the mean of its divisors is an integer number (412514221).

Almost surely, 2^825028441 is an apocalyptic number.

It is an amenable number.

825028441 is a deficient number, since it is larger than the sum of its proper divisors (1).

825028441 is an equidigital number, since it uses as much as digits as its factorization.

825028441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 825028441 is about 28723.3083226846. The cubic root of 825028441 is about 937.8995051327.

Adding to 825028441 its reverse (144820528), we get a palindrome (969848969).

The spelling of 825028441 in words is "eight hundred twenty-five million, twenty-eight thousand, four hundred forty-one".