41650681 has 2 divisors, whose sum is σ = 41650682. Its totient is φ = 41650680.

The previous prime is 41650673. The next prime is 41650691. The reversal of 41650681 is 18605614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41216400 + 434281 = 6420^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 41650681 - 2³ = 41650673 is a prime.

It is a super-2 number, since 2×41650681² = 3469558455527522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41650621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20825340 + 20825341.

It is an arithmetic number, because the mean of its divisors is an integer number (20825341).

Almost surely, 2^41650681 is an apocalyptic number.

It is an amenable number.

41650681 is a deficient number, since it is larger than the sum of its proper divisors (1).

41650681 is an equidigital number, since it uses as much as digits as its factorization.

41650681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 41650681 is about 6453.7338804757. The cubic root of 41650681 is about 346.6362961354.

The spelling of 41650681 in words is "forty-one million, six hundred fifty thousand, six hundred eighty-one".