41865813 has 48 divisors (see below), whose sum is σ = 68739840. Its totient is φ = 24336000.

The previous prime is 41865809. The next prime is 41865853. The reversal of 41865813 is 31856814.

It is not a de Polignac number, because 41865813 - 2² = 41865809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41865853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414463 + ... + 414563.

It is an arithmetic number, because the mean of its divisors is an integer number (1432080).

Almost surely, 2^41865813 is an apocalyptic number.

It is an amenable number.

41865813 is a deficient number, since it is larger than the sum of its proper divisors (26874027).

41865813 is a wasteful number, since it uses less digits than its factorization.

41865813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 247 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 41865813 is about 6470.3796642856. The cubic root of 41865813 is about 347.2320809840.

It can be divided in two parts, 4186 and 5813, that added together give a palindrome (9999).

The spelling of 41865813 in words is "forty-one million, eight hundred sixty-five thousand, eight hundred thirteen".