41456981 has 2 divisors, whose sum is σ = 41456982. Its totient is φ = 41456980.

The previous prime is 41456977. The next prime is 41457019. The reversal of 41456981 is 18965414.

41456981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (41457019) can be obtained adding 41456981 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40436881 + 1020100 = 6359^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 41456981 - 2² = 41456977 is a prime.

It is a super-2 number, since 2×41456981² = 3437362547268722, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41456381) 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, 20728490 + 20728491.

It is an arithmetic number, because the mean of its divisors is an integer number (20728491).

Almost surely, 2^41456981 is an apocalyptic number.

It is an amenable number.

41456981 is a deficient number, since it is larger than the sum of its proper divisors (1).

41456981 is an equidigital number, since it uses as much as digits as its factorization.

41456981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 41456981 is about 6438.7095756836. The cubic root of 41456981 is about 346.0981072101.

The spelling of 41456981 in words is "forty-one million, four hundred fifty-six thousand, nine hundred eighty-one".