8824561 has 2 divisors, whose sum is σ = 8824562. Its totient is φ = 8824560.

The previous prime is 8824549. The next prime is 8824577. The reversal of 8824561 is 1654288.

8824561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8014561 + 810000 = 2831^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 8824561 - 2¹⁵ = 8791793 is a prime.

It is not a weakly prime, because it can be changed into another prime (8824511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4412280 + 4412281.

It is an arithmetic number, because the mean of its divisors is an integer number (4412281).

Almost surely, 2^8824561 is an apocalyptic number.

8824561 is the 1329-th centered decagonal number.

It is an amenable number.

8824561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8824561 is an equidigital number, since it uses as much as digits as its factorization.

8824561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 34.

The square root of 8824561 is about 2970.6162660297. The cubic root of 8824561 is about 206.6479191573.

It can be divided in two parts, 88 and 24561, that added together give a square (24649 = 157²).

The spelling of 8824561 in words is "eight million, eight hundred twenty-four thousand, five hundred sixty-one".