41621243 has 4 divisors (see below), whose sum is σ = 41870640. Its totient is φ = 41371848.

The previous prime is 41621233. The next prime is 41621249. The reversal of 41621243 is 34212614.

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

It is a cyclic number.

It is not a de Polignac number, because 41621243 - 2⁸ = 41620987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41621249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124448 + ... + 124781.

It is an arithmetic number, because the mean of its divisors is an integer number (10467660).

Almost surely, 2^41621243 is an apocalyptic number.

41621243 is a deficient number, since it is larger than the sum of its proper divisors (249397).

41621243 is a wasteful number, since it uses less digits than its factorization.

41621243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249396.

The product of its digits is 1152, while the sum is 23.

The square root of 41621243 is about 6451.4527821259. The cubic root of 41621243 is about 346.5546113221.

Adding to 41621243 its reverse (34212614), we get a palindrome (75833857).

The spelling of 41621243 in words is "forty-one million, six hundred twenty-one thousand, two hundred forty-three".