6061661204257 has 2 divisors, whose sum is σ = 6061661204258. Its totient is φ = 6061661204256.

The previous prime is 6061661204153. The next prime is 6061661204309. The reversal of 6061661204257 is 7524021661606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3931955863056 + 2129705341201 = 1982916^2 + 1459351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6061661204257 is a prime.

It is not a weakly prime, because it can be changed into another prime (6061661201257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030830602128 + 3030830602129.

It is an arithmetic number, because the mean of its divisors is an integer number (3030830602129).

Almost surely, 2^{6061661204257} is an apocalyptic number.

It is an amenable number.

6061661204257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6061661204257 is an equidigital number, since it uses as much as digits as its factorization.

6061661204257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 6061661204257 in words is "six trillion, sixty-one billion, six hundred sixty-one million, two hundred four thousand, two hundred fifty-seven".