41225521 has 4 divisors (see below), whose sum is σ = 41241700. Its totient is φ = 41209344.

The previous prime is 41225507. The next prime is 41225537. The reversal of 41225521 is 12552214.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21298225 + 19927296 = 4615^2 + 4464^2 .

It is a cyclic number.

It is not a de Polignac number, because 41225521 - 2⁵ = 41225489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41225492 and 41225501.

It is not an unprimeable number, because it can be changed into a prime (41225551) 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, 3336 + ... + 9673.

It is an arithmetic number, because the mean of its divisors is an integer number (10310425).

Almost surely, 2^41225521 is an apocalyptic number.

It is an amenable number.

41225521 is a deficient number, since it is larger than the sum of its proper divisors (16179).

41225521 is a wasteful number, since it uses less digits than its factorization.

41225521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16178.

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

The square root of 41225521 is about 6420.7103189600. The cubic root of 41225521 is about 345.4528004004.

Adding to 41225521 its reverse (12552214), we get a palindrome (53777735).

The spelling of 41225521 in words is "forty-one million, two hundred twenty-five thousand, five hundred twenty-one".