41618321 has 4 divisors (see below), whose sum is σ = 42633444. Its totient is φ = 40603200.

The previous prime is 41618309. The next prime is 41618333. The reversal of 41618321 is 12381614.

41618321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (41618309) and next prime (41618333).

It can be written as a sum of positive squares in 2 ways, for example, as 10660225 + 30958096 = 3265^2 + 5564^2 .

It is a cyclic number.

It is not a de Polignac number, because 41618321 - 2⁶ = 41618257 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41618351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507500 + ... + 507581.

It is an arithmetic number, because the mean of its divisors is an integer number (10658361).

Almost surely, 2^41618321 is an apocalyptic number.

41618321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41618321 is a deficient number, since it is larger than the sum of its proper divisors (1015123).

41618321 is a wasteful number, since it uses less digits than its factorization.

41618321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015122.

The product of its digits is 1152, while the sum is 26.

The square root of 41618321 is about 6451.2263175306. The cubic root of 41618321 is about 346.5465012306.

Adding to 41618321 its reverse (12381614), we get a palindrome (53999935).

It can be divided in two parts, 4161 and 8321, that multiplied together give a triangular number (34623681 = T₈₃₂₁).

The spelling of 41618321 in words is "forty-one million, six hundred eighteen thousand, three hundred twenty-one".