41597221 has 4 divisors (see below), whose sum is σ = 41965452. Its totient is φ = 41228992.

The previous prime is 41597219. The next prime is 41597243. The reversal of 41597221 is 12279514.

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 6916900 + 34680321 = 2630^2 + 5889^2 .

It is a cyclic number.

It is not a de Polignac number, because 41597221 - 2¹ = 41597219 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41597201) 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, 183946 + ... + 184171.

It is an arithmetic number, because the mean of its divisors is an integer number (10491363).

Almost surely, 2^41597221 is an apocalyptic number.

It is an amenable number.

41597221 is a deficient number, since it is larger than the sum of its proper divisors (368231).

41597221 is a wasteful number, since it uses less digits than its factorization.

41597221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368230.

The product of its digits is 5040, while the sum is 31.

The square root of 41597221 is about 6449.5907622112. The cubic root of 41597221 is about 346.4879263284.

The spelling of 41597221 in words is "forty-one million, five hundred ninety-seven thousand, two hundred twenty-one".