5841581 has 2 divisors, whose sum is σ = 5841582. Its totient is φ = 5841580.

The previous prime is 5841571. The next prime is 5841587. The reversal of 5841581 is 1851485.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5248681 + 592900 = 2291^2 + 770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5841581 is a prime.

It is a super-2 number, since 2×5841581² = 68248137159122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5841587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2920790 + 2920791.

It is an arithmetic number, because the mean of its divisors is an integer number (2920791).

Almost surely, 2^5841581 is an apocalyptic number.

It is an amenable number.

5841581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5841581 is an equidigital number, since it uses as much as digits as its factorization.

5841581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 32.

The square root of 5841581 is about 2416.9362838106. The cubic root of 5841581 is about 180.0985160301.

The spelling of 5841581 in words is "five million, eight hundred forty-one thousand, five hundred eighty-one".