41865913 has 2 divisors, whose sum is σ = 41865914. Its totient is φ = 41865912.

The previous prime is 41865899. The next prime is 41865953. The reversal of 41865913 is 31956814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35378704 + 6487209 = 5948^2 + 2547^2 .

It is a cyclic number.

It is not a de Polignac number, because 41865913 - 2⁵ = 41865881 is a prime.

It is not a weakly prime, because it can be changed into another prime (41865953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20932956 + 20932957.

It is an arithmetic number, because the mean of its divisors is an integer number (20932957).

Almost surely, 2^41865913 is an apocalyptic number.

It is an amenable number.

41865913 is a deficient number, since it is larger than the sum of its proper divisors (1).

41865913 is an equidigital number, since it uses as much as digits as its factorization.

41865913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 41865913 is about 6470.3873918028. The cubic root of 41865913 is about 347.2323574480.

Subtracting from 41865913 its reverse (31956814), we obtain a palindrome (9909099).

It can be divided in two parts, 41865 and 913, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 41865913 in words is "forty-one million, eight hundred sixty-five thousand, nine hundred thirteen".