581005741 has 2 divisors, whose sum is σ = 581005742. Its totient is φ = 581005740.

The previous prime is 581005739. The next prime is 581005891. The reversal of 581005741 is 147500185.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442260900 + 138744841 = 21030^2 + 11779^2 .

It is a cyclic number.

It is not a de Polignac number, because 581005741 - 2¹ = 581005739 is a prime.

Together with 581005739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (581075741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290502870 + 290502871.

It is an arithmetic number, because the mean of its divisors is an integer number (290502871).

Almost surely, 2^581005741 is an apocalyptic number.

It is an amenable number.

581005741 is a deficient number, since it is larger than the sum of its proper divisors (1).

581005741 is an equidigital number, since it uses as much as digits as its factorization.

581005741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 581005741 is about 24104.0606745005. The cubic root of 581005741 is about 834.4368492936.

The spelling of 581005741 in words is "five hundred eighty-one million, five thousand, seven hundred forty-one".