581047 has 2 divisors, whose sum is σ = 581048. Its totient is φ = 581046.

The previous prime is 581041. The next prime is 581069. The reversal of 581047 is 740185.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 581047 - 2⁷ = 580919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (581041) 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, 290523 + 290524.

It is an arithmetic number, because the mean of its divisors is an integer number (290524).

2⁵⁸¹⁰⁴⁷ is an apocalyptic number.

581047 is a deficient number, since it is larger than the sum of its proper divisors (1).

581047 is an equidigital number, since it uses as much as digits as its factorization.

581047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 581047 is about 762.2643898281. The cubic root of 581047 is about 83.4456600800.

It can be divided in two parts, 58 and 1047, that multiplied together give a triangular number (60726 = T₃₄₈).

The spelling of 581047 in words is "five hundred eighty-one thousand, forty-seven".