8675561 has 6 divisors (see below), whose sum is σ = 8804586. Its totient is φ = 8548400.

The previous prime is 8675521. The next prime is 8675573. The reversal of 8675561 is 1655768.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 609961 = 2840^2 + 781^2 .

It is not a de Polignac number, because 8675561 - 2¹⁰ = 8674537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8675521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4181 + ... + 5901.

It is an arithmetic number, because the mean of its divisors is an integer number (1467431).

Almost surely, 2^8675561 is an apocalyptic number.

It is an amenable number.

8675561 is a deficient number, since it is larger than the sum of its proper divisors (129025).

8675561 is an equidigital number, since it uses as much as digits as its factorization.

8675561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863 (or 1792 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 8675561 is about 2945.4305288022. The cubic root of 8675561 is about 205.4782488724.

The spelling of 8675561 in words is "eight million, six hundred seventy-five thousand, five hundred sixty-one".