41811621 has 4 divisors (see below), whose sum is σ = 55748832. Its totient is φ = 27874412.

The previous prime is 41811613. The next prime is 41811629. The reversal of 41811621 is 12611814.

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.

It is an interprime number because it is at equal distance from previous prime (41811613) and next prime (41811629).

It is a cyclic number.

It is not a de Polignac number, because 41811621 - 2³ = 41811613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41811591 and 41811600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41811629) 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, 6968601 + ... + 6968606.

It is an arithmetic number, because the mean of its divisors is an integer number (13937208).

Almost surely, 2^41811621 is an apocalyptic number.

It is an amenable number.

41811621 is a deficient number, since it is larger than the sum of its proper divisors (13937211).

41811621 is a wasteful number, since it uses less digits than its factorization.

41811621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13937210.

The product of its digits is 384, while the sum is 24.

The square root of 41811621 is about 6466.1906096248. The cubic root of 41811621 is about 347.0821947597.

The spelling of 41811621 in words is "forty-one million, eight hundred eleven thousand, six hundred twenty-one".