41401663 has 2 divisors, whose sum is σ = 41401664. Its totient is φ = 41401662.

The previous prime is 41401621. The next prime is 41401669. The reversal of 41401663 is 36610414.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41401663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41401669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20700831 + 20700832.

It is an arithmetic number, because the mean of its divisors is an integer number (20700832).

Almost surely, 2^41401663 is an apocalyptic number.

41401663 is a deficient number, since it is larger than the sum of its proper divisors (1).

41401663 is an equidigital number, since it uses as much as digits as its factorization.

41401663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 41401663 is about 6434.4124051851. The cubic root of 41401663 is about 345.9441003616.

The spelling of 41401663 in words is "forty-one million, four hundred one thousand, six hundred sixty-three".