41905687 has 2 divisors, whose sum is σ = 41905688. Its totient is φ = 41905686.

The previous prime is 41905679. The next prime is 41905727. The reversal of 41905687 is 78650914.

It is an a-pointer prime, because the next prime (41905727) can be obtained adding 41905687 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41905687 - 2³ = 41905679 is a prime.

It is a super-3 number, since 3×41905687³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41905637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20952843 + 20952844.

It is an arithmetic number, because the mean of its divisors is an integer number (20952844).

Almost surely, 2^41905687 is an apocalyptic number.

41905687 is a deficient number, since it is larger than the sum of its proper divisors (1).

41905687 is an equidigital number, since it uses as much as digits as its factorization.

41905687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 41905687 is about 6473.4602030135. The cubic root of 41905687 is about 347.3422833800.

The spelling of 41905687 in words is "forty-one million, nine hundred five thousand, six hundred eighty-seven".