6122581 has 2 divisors, whose sum is σ = 6122582. Its totient is φ = 6122580.

The previous prime is 6122569. The next prime is 6122609. The reversal of 6122581 is 1852216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3481956 + 2640625 = 1866^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 6122581 - 2¹¹ = 6120533 is a prime.

It is a super-2 number, since 2×6122581² = 74971996203122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6122521) 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 as a sum of consecutive naturals, namely, 3061290 + 3061291.

It is an arithmetic number, because the mean of its divisors is an integer number (3061291).

Almost surely, 2^6122581 is an apocalyptic number.

It is an amenable number.

6122581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6122581 is an equidigital number, since it uses as much as digits as its factorization.

6122581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 25.

The square root of 6122581 is about 2474.3849740895. The cubic root of 6122581 is about 182.9411956343.

Adding to 6122581 its reverse (1852216), we get a palindrome (7974797).

The spelling of 6122581 in words is "six million, one hundred twenty-two thousand, five hundred eighty-one".