605047081 has 2 divisors, whose sum is σ = 605047082. Its totient is φ = 605047080.

The previous prime is 605047073. The next prime is 605047117. The reversal of 605047081 is 180740506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385533225 + 219513856 = 19635^2 + 14816^2 .

It is a cyclic number.

It is not a de Polignac number, because 605047081 - 2³ = 605047073 is a prime.

It is a super-2 number, since 2×605047081² = 732163940453241122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (605047021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302523540 + 302523541.

It is an arithmetic number, because the mean of its divisors is an integer number (302523541).

Almost surely, 2^605047081 is an apocalyptic number.

It is an amenable number.

605047081 is a deficient number, since it is larger than the sum of its proper divisors (1).

605047081 is an equidigital number, since it uses as much as digits as its factorization.

605047081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 605047081 is about 24597.7047913012. The cubic root of 605047081 is about 845.7909944451.

Adding to 605047081 its reverse (180740506), we get a palindrome (785787587).

The spelling of 605047081 in words is "six hundred five million, forty-seven thousand, eighty-one".