606130655261 has 2 divisors, whose sum is σ = 606130655262. Its totient is φ = 606130655260.

The previous prime is 606130655203. The next prime is 606130655267. The reversal of 606130655261 is 162556031606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 566811731161 + 39318924100 = 752869^2 + 198290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606130655261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606130655267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303065327630 + 303065327631.

It is an arithmetic number, because the mean of its divisors is an integer number (303065327631).

Almost surely, 2^606130655261 is an apocalyptic number.

It is an amenable number.

606130655261 is a deficient number, since it is larger than the sum of its proper divisors (1).

606130655261 is an equidigital number, since it uses as much as digits as its factorization.

606130655261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

Adding to 606130655261 its reverse (162556031606), we get a palindrome (768686686867).

The spelling of 606130655261 in words is "six hundred six billion, one hundred thirty million, six hundred fifty-five thousand, two hundred sixty-one".