581232056417 has 2 divisors, whose sum is σ = 581232056418. Its totient is φ = 581232056416.

The previous prime is 581232056309. The next prime is 581232056491. The reversal of 581232056417 is 714650232185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 572994497296 + 8237559121 = 756964^2 + 90761^2 .

It is a cyclic number.

It is not a de Polignac number, because 581232056417 - 2¹² = 581232052321 is a prime.

It is not a weakly prime, because it can be changed into another prime (581232056117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290616028208 + 290616028209.

It is an arithmetic number, because the mean of its divisors is an integer number (290616028209).

Almost surely, 2^581232056417 is an apocalyptic number.

It is an amenable number.

581232056417 is a deficient number, since it is larger than the sum of its proper divisors (1).

581232056417 is an equidigital number, since it uses as much as digits as its factorization.

581232056417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 581232056417 in words is "five hundred eighty-one billion, two hundred thirty-two million, fifty-six thousand, four hundred seventeen".