825593 has 2 divisors, whose sum is σ = 825594. Its totient is φ = 825592.

The previous prime is 825577. The next prime is 825611. The reversal of 825593 is 395528.

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., 795664 + 29929 = 892^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 825593 - 2⁴ = 825577 is a prime.

It is not a weakly prime, because it can be changed into another prime (825533) 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, 412796 + 412797.

It is an arithmetic number, because the mean of its divisors is an integer number (412797).

2⁸²⁵⁵⁹³ is an apocalyptic number.

It is an amenable number.

825593 is a deficient number, since it is larger than the sum of its proper divisors (1).

825593 is an equidigital number, since it uses as much as digits as its factorization.

825593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 825593 is about 908.6214833472. The cubic root of 825593 is about 93.8113388214.

The spelling of 825593 in words is "eight hundred twenty-five thousand, five hundred ninety-three".