41866013 has 4 divisors (see below), whose sum is σ = 47846880. Its totient is φ = 35885148.

The previous prime is 41866007. The next prime is 41866021. The reversal of 41866013 is 31066814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31066814 = 2 ⋅15533407.

It is a cyclic number.

It is not a de Polignac number, because 41866013 - 2¹⁶ = 41800477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41869013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990423 + ... + 2990436.

It is an arithmetic number, because the mean of its divisors is an integer number (11961720).

Almost surely, 2^41866013 is an apocalyptic number.

It is an amenable number.

41866013 is a deficient number, since it is larger than the sum of its proper divisors (5980867).

41866013 is an equidigital number, since it uses as much as digits as its factorization.

41866013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980866.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 41866013 is about 6470.3951193107. The cubic root of 41866013 is about 347.2326339117.

The spelling of 41866013 in words is "forty-one million, eight hundred sixty-six thousand, thirteen".