825589573 has 2 divisors, whose sum is σ = 825589574. Its totient is φ = 825589572.

The previous prime is 825589561. The next prime is 825589607. The reversal of 825589573 is 375985528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 803892609 + 21696964 = 28353^2 + 4658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825589573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 825589573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825589553) 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, 412794786 + 412794787.

It is an arithmetic number, because the mean of its divisors is an integer number (412794787).

Almost surely, 2^825589573 is an apocalyptic number.

It is an amenable number.

825589573 is a deficient number, since it is larger than the sum of its proper divisors (1).

825589573 is an equidigital number, since it uses as much as digits as its factorization.

825589573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 52.

The square root of 825589573 is about 28733.0745483319. The cubic root of 825589573 is about 938.1120901898.

The spelling of 825589573 in words is "eight hundred twenty-five million, five hundred eighty-nine thousand, five hundred seventy-three".