41852581 has 2 divisors, whose sum is σ = 41852582. Its totient is φ = 41852580.

The previous prime is 41852567. The next prime is 41852593. The reversal of 41852581 is 18525814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 20784481 = 4590^2 + 4559^2 .

It is a cyclic number.

It is not a de Polignac number, because 41852581 - 2¹¹ = 41850533 is a prime.

It is a super-2 number, since 2×41852581² = 3503277072723122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41852281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20926290 + 20926291.

It is an arithmetic number, because the mean of its divisors is an integer number (20926291).

Almost surely, 2^41852581 is an apocalyptic number.

It is an amenable number.

41852581 is a deficient number, since it is larger than the sum of its proper divisors (1).

41852581 is an equidigital number, since it uses as much as digits as its factorization.

41852581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12800, while the sum is 34.

The square root of 41852581 is about 6469.3570777937. The cubic root of 41852581 is about 347.1954953731.

The spelling of 41852581 in words is "forty-one million, eight hundred fifty-two thousand, five hundred eighty-one".