41800013 has 4 divisors (see below), whose sum is σ = 42080700. Its totient is φ = 41519328.

The previous prime is 41800001. The next prime is 41800021. The reversal of 41800013 is 31000814.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 38105929 = 1922^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 41800013 - 2¹⁰ = 41798989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41799964 and 41800000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41800063) 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, 140120 + ... + 140417.

It is an arithmetic number, because the mean of its divisors is an integer number (10520175).

Almost surely, 2^41800013 is an apocalyptic number.

It is an amenable number.

41800013 is a deficient number, since it is larger than the sum of its proper divisors (280687).

41800013 is a wasteful number, since it uses less digits than its factorization.

41800013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280686.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 41800013 is about 6465.2929554661. The cubic root of 41800013 is about 347.0500720873.

Adding to 41800013 its reverse (31000814), we get a palindrome (72800827).

The spelling of 41800013 in words is "forty-one million, eight hundred thousand, thirteen".