41995381 has 2 divisors, whose sum is σ = 41995382. Its totient is φ = 41995380.

The previous prime is 41995379. The next prime is 41995409. The reversal of 41995381 is 18359914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 1418481 = 6370^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 41995381 - 2¹ = 41995379 is a prime.

It is a super-2 number, since 2×41995381² = 3527224050670322, which contains 22 as substring.

Together with 41995379, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41995181) 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, 20997690 + 20997691.

It is an arithmetic number, because the mean of its divisors is an integer number (20997691).

Almost surely, 2^41995381 is an apocalyptic number.

It is an amenable number.

41995381 is a deficient number, since it is larger than the sum of its proper divisors (1).

41995381 is an equidigital number, since it uses as much as digits as its factorization.

41995381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 40.

The square root of 41995381 is about 6480.3843250227. The cubic root of 41995381 is about 347.5899213492.

The spelling of 41995381 in words is "forty-one million, nine hundred ninety-five thousand, three hundred eighty-one".