8468561 has 2 divisors, whose sum is σ = 8468562. Its totient is φ = 8468560.

The previous prime is 8468527. The next prime is 8468587. The reversal of 8468561 is 1658648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 712336 = 2785^2 + 844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8468561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8468521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234280 + 4234281.

It is an arithmetic number, because the mean of its divisors is an integer number (4234281).

Almost surely, 2^8468561 is an apocalyptic number.

It is an amenable number.

8468561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8468561 is an equidigital number, since it uses as much as digits as its factorization.

8468561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 8468561 is about 2910.0792085440. The cubic root of 8468561 is about 203.8308302125.

The spelling of 8468561 in words is "eight million, four hundred sixty-eight thousand, five hundred sixty-one".