41521989 has 8 divisors (see below), whose sum is σ = 57148672. Its totient is φ = 26788320.

The previous prime is 41521981. The next prime is 41521993. The reversal of 41521989 is 98912514.

41521989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41521989 - 2³ = 41521981 is a prime.

It is a super-2 number, since 2×41521989² = 3448151141032242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41521981) 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 7 ways as a sum of consecutive naturals, for example, 223144 + ... + 223329.

It is an arithmetic number, because the mean of its divisors is an integer number (7143584).

Almost surely, 2^41521989 is an apocalyptic number.

It is an amenable number.

41521989 is a deficient number, since it is larger than the sum of its proper divisors (15626683).

41521989 is a wasteful number, since it uses less digits than its factorization.

41521989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446507.

The product of its digits is 25920, while the sum is 39.

The square root of 41521989 is about 6443.7558147403. The cubic root of 41521989 is about 346.2789162903.

The spelling of 41521989 in words is "forty-one million, five hundred twenty-one thousand, nine hundred eighty-nine".