822553 has 2 divisors, whose sum is σ = 822554. Its totient is φ = 822552.

The previous prime is 822551. The next prime is 822557. The reversal of 822553 is 355228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 565504 + 257049 = 752^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 822553 - 2¹ = 822551 is a prime.

Together with 822551, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (822551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411276 + 411277.

It is an arithmetic number, because the mean of its divisors is an integer number (411277).

2⁸²²⁵⁵³ is an apocalyptic number.

It is an amenable number.

822553 is a deficient number, since it is larger than the sum of its proper divisors (1).

822553 is an equidigital number, since it uses as much as digits as its factorization.

822553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 822553 is about 906.9470767360. The cubic root of 822553 is about 93.6960531113.

The spelling of 822553 in words is "eight hundred twenty-two thousand, five hundred fifty-three".