605578498561 has 2 divisors, whose sum is σ = 605578498562. Its totient is φ = 605578498560.

The previous prime is 605578498543. The next prime is 605578498579. The reversal of 605578498561 is 165894875506.

It is a balanced prime because it is at equal distance from previous prime (605578498543) and next prime (605578498579).

It can be written as a sum of positive squares in only one way, i.e., 481801186161 + 123777312400 = 694119^2 + 351820^2 .

It is a cyclic number.

It is not a de Polignac number, because 605578498561 - 2⁷ = 605578498433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605578498493 and 605578498502.

It is not a weakly prime, because it can be changed into another prime (605578498531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302789249280 + 302789249281.

It is an arithmetic number, because the mean of its divisors is an integer number (302789249281).

Almost surely, 2^605578498561 is an apocalyptic number.

It is an amenable number.

605578498561 is a deficient number, since it is larger than the sum of its proper divisors (1).

605578498561 is an equidigital number, since it uses as much as digits as its factorization.

605578498561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576000, while the sum is 64.

The spelling of 605578498561 in words is "six hundred five billion, five hundred seventy-eight million, four hundred ninety-eight thousand, five hundred sixty-one".