41521045 has 4 divisors (see below), whose sum is σ = 49825260. Its totient is φ = 33216832.

The previous prime is 41521037. The next prime is 41521063. The reversal of 41521045 is 54012514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54012514 = 2 ⋅27006257.

It can be written as a sum of positive squares in 2 ways, for example, as 28804689 + 12716356 = 5367^2 + 3566^2 .

It is a cyclic number.

It is not a de Polignac number, because 41521045 - 2³ = 41521037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4152100 + ... + 4152109.

It is an arithmetic number, because the mean of its divisors is an integer number (12456315).

Almost surely, 2^41521045 is an apocalyptic number.

It is an amenable number.

41521045 is a deficient number, since it is larger than the sum of its proper divisors (8304215).

41521045 is an equidigital number, since it uses as much as digits as its factorization.

41521045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304214.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 41521045 is about 6443.6825651176. The cubic root of 41521045 is about 346.2762920601.

Adding to 41521045 its reverse (54012514), we get a palindrome (95533559).

The spelling of 41521045 in words is "forty-one million, five hundred twenty-one thousand, forty-five".