41638741 has 2 divisors, whose sum is σ = 41638742. Its totient is φ = 41638740.

The previous prime is 41638733. The next prime is 41638759. The reversal of 41638741 is 14783614.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23328900 + 18309841 = 4830^2 + 4279^2 .

It is a cyclic number.

It is not a de Polignac number, because 41638741 - 2³ = 41638733 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 41638697 and 41638706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41638781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20819370 + 20819371.

It is an arithmetic number, because the mean of its divisors is an integer number (20819371).

Almost surely, 2^41638741 is an apocalyptic number.

It is an amenable number.

41638741 is a deficient number, since it is larger than the sum of its proper divisors (1).

41638741 is an equidigital number, since it uses as much as digits as its factorization.

41638741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 41638741 is about 6452.8087682807. The cubic root of 41638741 is about 346.6031695628.

The spelling of 41638741 in words is "forty-one million, six hundred thirty-eight thousand, seven hundred forty-one".