41486981 has 2 divisors, whose sum is σ = 41486982. Its totient is φ = 41486980.

The previous prime is 41486941. The next prime is 41486983. The reversal of 41486981 is 18968414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20784481 + 20702500 = 4559^2 + 4550^2 .

It is a cyclic number.

It is not a de Polignac number, because 41486981 - 2¹⁰ = 41485957 is a prime.

It is a super-2 number, since 2×41486981² = 3442339184988722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 41486983, 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 (41486983) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20743490 + 20743491.

It is an arithmetic number, because the mean of its divisors is an integer number (20743491).

Almost surely, 2^41486981 is an apocalyptic number.

It is an amenable number.

41486981 is a deficient number, since it is larger than the sum of its proper divisors (1).

41486981 is an equidigital number, since it uses as much as digits as its factorization.

41486981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The square root of 41486981 is about 6441.0388137318. The cubic root of 41486981 is about 346.1815707544.

The spelling of 41486981 in words is "forty-one million, four hundred eighty-six thousand, nine hundred eighty-one".