825533 has 2 divisors, whose sum is σ = 825534. Its totient is φ = 825532.

The previous prime is 825527. The next prime is 825547. The reversal of 825533 is 335528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 643204 + 182329 = 802^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 825533 - 2⁸ = 825277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825553) 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, 412766 + 412767.

It is an arithmetic number, because the mean of its divisors is an integer number (412767).

2⁸²⁵⁵³³ is an apocalyptic number.

It is an amenable number.

825533 is a deficient number, since it is larger than the sum of its proper divisors (1).

825533 is an equidigital number, since it uses as much as digits as its factorization.

825533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 825533 is about 908.5884656983. The cubic root of 825533 is about 93.8090661856.

The spelling of 825533 in words is "eight hundred twenty-five thousand, five hundred thirty-three".