41605013 has 2 divisors, whose sum is σ = 41605014. Its totient is φ = 41605012.

The previous prime is 41604991. The next prime is 41605043. The reversal of 41605013 is 31050614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40475044 + 1129969 = 6362^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 41605013 - 2¹² = 41600917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41605043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20802506 + 20802507.

It is an arithmetic number, because the mean of its divisors is an integer number (20802507).

Almost surely, 2^41605013 is an apocalyptic number.

It is an amenable number.

41605013 is a deficient number, since it is larger than the sum of its proper divisors (1).

41605013 is an equidigital number, since it uses as much as digits as its factorization.

41605013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 41605013 is about 6450.1948032598. The cubic root of 41605013 is about 346.5095597076.

Adding to 41605013 its reverse (31050614), we get a palindrome (72655627).

The spelling of 41605013 in words is "forty-one million, six hundred five thousand, thirteen".