8825981 has 2 divisors, whose sum is σ = 8825982. Its totient is φ = 8825980.

The previous prime is 8825969. The next prime is 8826011. The reversal of 8825981 is 1895288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8584900 + 241081 = 2930^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 8825981 - 2¹⁰ = 8824957 is a prime.

It is a super-2 number, since 2×8825981² = 155795881224722, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8825911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4412990 + 4412991.

It is an arithmetic number, because the mean of its divisors is an integer number (4412991).

Almost surely, 2^8825981 is an apocalyptic number.

It is an amenable number.

8825981 is a deficient number, since it is larger than the sum of its proper divisors (1).

8825981 is an equidigital number, since it uses as much as digits as its factorization.

8825981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 41.

The square root of 8825981 is about 2970.8552640612. The cubic root of 8825981 is about 206.6590027797.

The spelling of 8825981 in words is "eight million, eight hundred twenty-five thousand, nine hundred eighty-one".