581361029 has 2 divisors, whose sum is σ = 581361030. Its totient is φ = 581361028.

The previous prime is 581361013. The next prime is 581361091. The reversal of 581361029 is 920163185.

581361029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460317025 + 121044004 = 21455^2 + 11002^2 .

It is a cyclic number.

It is not a de Polignac number, because 581361029 - 2⁴ = 581361013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 581361029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (581364029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290680514 + 290680515.

It is an arithmetic number, because the mean of its divisors is an integer number (290680515).

Almost surely, 2^581361029 is an apocalyptic number.

It is an amenable number.

581361029 is a deficient number, since it is larger than the sum of its proper divisors (1).

581361029 is an equidigital number, since it uses as much as digits as its factorization.

581361029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 581361029 is about 24111.4294267262. The cubic root of 581361029 is about 834.6069021111.

The spelling of 581361029 in words is "five hundred eighty-one million, three hundred sixty-one thousand, twenty-nine".