605050681 has 2 divisors, whose sum is σ = 605050682. Its totient is φ = 605050680.

The previous prime is 605050639. The next prime is 605050717. The reversal of 605050681 is 186050506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525555625 + 79495056 = 22925^2 + 8916^2 .

It is a cyclic number.

It is not a de Polignac number, because 605050681 - 2⁹ = 605050169 is a prime.

It is a super-2 number, since 2×605050681² = 732172653157127522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (605050781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302525340 + 302525341.

It is an arithmetic number, because the mean of its divisors is an integer number (302525341).

Almost surely, 2^605050681 is an apocalyptic number.

It is an amenable number.

605050681 is a deficient number, since it is larger than the sum of its proper divisors (1).

605050681 is an equidigital number, since it uses as much as digits as its factorization.

605050681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 605050681 is about 24597.7779687516. Note that the first 3 decimals coincide. The cubic root of 605050681 is about 845.7926719132.

The spelling of 605050681 in words is "six hundred five million, fifty thousand, six hundred eighty-one".