5939581 has 2 divisors, whose sum is σ = 5939582. Its totient is φ = 5939580.

The previous prime is 5939561. The next prime is 5939623. The reversal of 5939581 is 1859395.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3363556 + 2576025 = 1834^2 + 1605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5939581 is a prime.

It is a super-2 number, since 2×5939581² = 70557244911122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5939501) 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, 2969790 + 2969791.

It is an arithmetic number, because the mean of its divisors is an integer number (2969791).

Almost surely, 2^5939581 is an apocalyptic number.

It is an amenable number.

5939581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5939581 is an equidigital number, since it uses as much as digits as its factorization.

5939581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 40.

The square root of 5939581 is about 2437.1255609837. The cubic root of 5939581 is about 181.1000637147.

The spelling of 5939581 in words is "five million, nine hundred thirty-nine thousand, five hundred eighty-one".