8211461 has 2 divisors, whose sum is σ = 8211462. Its totient is φ = 8211460.

The previous prime is 8211457. The next prime is 8211479. The reversal of 8211461 is 1641128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4330561 + 3880900 = 2081^2 + 1970^2 .

It is a cyclic number.

It is not a de Polignac number, because 8211461 - 2² = 8211457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8211421) 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, 4105730 + 4105731.

It is an arithmetic number, because the mean of its divisors is an integer number (4105731).

Almost surely, 2^8211461 is an apocalyptic number.

It is an amenable number.

8211461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8211461 is an equidigital number, since it uses as much as digits as its factorization.

8211461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

The square root of 8211461 is about 2865.5646912956. The cubic root of 8211461 is about 201.7468727554.

Adding to 8211461 its reverse (1641128), we get a palindrome (9852589).

The spelling of 8211461 in words is "eight million, two hundred eleven thousand, four hundred sixty-one".