41363981 has 4 divisors (see below), whose sum is σ = 41376864. Its totient is φ = 41351100.

The previous prime is 41363977. The next prime is 41363983. The reversal of 41363981 is 18936314.

41363981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 41363981 - 2² = 41363977 is a prime.

It is a super-2 number, since 2×41363981² = 3421957848336722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41363983) 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 in 3 ways as a sum of consecutive naturals, for example, 2696 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (10344216).

Almost surely, 2^41363981 is an apocalyptic number.

It is an amenable number.

41363981 is a deficient number, since it is larger than the sum of its proper divisors (12883).

41363981 is an equidigital number, since it uses as much as digits as its factorization.

41363981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12882.

The product of its digits is 15552, while the sum is 35.

The square root of 41363981 is about 6431.4835769051. The cubic root of 41363981 is about 345.8391140596.

The spelling of 41363981 in words is "forty-one million, three hundred sixty-three thousand, nine hundred eighty-one".