41581889 has 4 divisors (see below), whose sum is σ = 41899440. Its totient is φ = 41264340.

The previous prime is 41581873. The next prime is 41581901. The reversal of 41581889 is 98818514.

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 a cyclic number.

It is not a de Polignac number, because 41581889 - 2⁴ = 41581873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41581289) 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, 158579 + ... + 158840.

It is an arithmetic number, because the mean of its divisors is an integer number (10474860).

Almost surely, 2^41581889 is an apocalyptic number.

It is an amenable number.

41581889 is a deficient number, since it is larger than the sum of its proper divisors (317551).

41581889 is a wasteful number, since it uses less digits than its factorization.

41581889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317550.

The product of its digits is 92160, while the sum is 44.

The square root of 41581889 is about 6448.4020501206. The cubic root of 41581889 is about 346.4453513232.

The spelling of 41581889 in words is "forty-one million, five hundred eighty-one thousand, eight hundred eighty-nine".