41646601 has 2 divisors, whose sum is σ = 41646602. Its totient is φ = 41646600.

The previous prime is 41646599. The next prime is 41646623. The reversal of 41646601 is 10664614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31629376 + 10017225 = 5624^2 + 3165^2 .

It is a cyclic number.

It is not a de Polignac number, because 41646601 - 2¹ = 41646599 is a prime.

Together with 41646599, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 41646601.

It is not a weakly prime, because it can be changed into another prime (41646641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20823300 + 20823301.

It is an arithmetic number, because the mean of its divisors is an integer number (20823301).

Almost surely, 2^41646601 is an apocalyptic number.

It is an amenable number.

41646601 is a deficient number, since it is larger than the sum of its proper divisors (1).

41646601 is an equidigital number, since it uses as much as digits as its factorization.

41646601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 41646601 is about 6453.4177766514. The cubic root of 41646601 is about 346.6249772147.

The spelling of 41646601 in words is "forty-one million, six hundred forty-six thousand, six hundred one".