822510461 has 2 divisors, whose sum is σ = 822510462. Its totient is φ = 822510460.

The previous prime is 822510449. The next prime is 822510467. The reversal of 822510461 is 164015228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714225625 + 108284836 = 26725^2 + 10406^2 .

It is a cyclic number.

It is not a de Polignac number, because 822510461 - 2¹⁰ = 822509437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822510467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411255230 + 411255231.

It is an arithmetic number, because the mean of its divisors is an integer number (411255231).

Almost surely, 2^822510461 is an apocalyptic number.

It is an amenable number.

822510461 is a deficient number, since it is larger than the sum of its proper divisors (1).

822510461 is an equidigital number, since it uses as much as digits as its factorization.

822510461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 822510461 is about 28679.4431779977. The cubic root of 822510461 is about 936.9443789412.

Adding to 822510461 its reverse (164015228), we get a palindrome (986525689).

The spelling of 822510461 in words is "eight hundred twenty-two million, five hundred ten thousand, four hundred sixty-one".