825373441 has 2 divisors, whose sum is σ = 825373442. Its totient is φ = 825373440.

The previous prime is 825373421. The next prime is 825373463. The reversal of 825373441 is 144373528.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621455041 + 203918400 = 24929^2 + 14280^2 .

It is a cyclic number.

It is not a de Polignac number, because 825373441 - 2⁹ = 825372929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 825373441.

It is not a weakly prime, because it can be changed into another prime (825373411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412686720 + 412686721.

It is an arithmetic number, because the mean of its divisors is an integer number (412686721).

Almost surely, 2^825373441 is an apocalyptic number.

It is an amenable number.

825373441 is a deficient number, since it is larger than the sum of its proper divisors (1).

825373441 is an equidigital number, since it uses as much as digits as its factorization.

825373441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 825373441 is about 28729.3132705952. The cubic root of 825373441 is about 938.0302199140.

The spelling of 825373441 in words is "eight hundred twenty-five million, three hundred seventy-three thousand, four hundred forty-one".