4412981 has 2 divisors, whose sum is σ = 4412982. Its totient is φ = 4412980.

The previous prime is 4412977. The next prime is 4412983. The reversal of 4412981 is 1892144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3964081 + 448900 = 1991^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 4412981 - 2² = 4412977 is a prime.

It is a super-2 number, since 2×4412981² = 38948802612722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4412983, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4412983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2206490 + 2206491.

It is an arithmetic number, because the mean of its divisors is an integer number (2206491).

Almost surely, 2^4412981 is an apocalyptic number.

It is an amenable number.

4412981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4412981 is an equidigital number, since it uses as much as digits as its factorization.

4412981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 4412981 is about 2100.7096420020. The cubic root of 4412981 is about 164.0252415045.

The spelling of 4412981 in words is "four million, four hundred twelve thousand, nine hundred eighty-one".