2611317061 has 2 divisors, whose sum is σ = 2611317062. Its totient is φ = 2611317060.

The previous prime is 2611317031. The next prime is 2611317073. The reversal of 2611317061 is 1607131162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2587248225 + 24068836 = 50865^2 + 4906^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611317061 - 2⁹ = 2611316549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2611317001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305658530 + 1305658531.

It is an arithmetic number, because the mean of its divisors is an integer number (1305658531).

Almost surely, 2^2611317061 is an apocalyptic number.

It is an amenable number.

2611317061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611317061 is an equidigital number, since it uses as much as digits as its factorization.

2611317061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 2611317061 is about 51101.0475528633. The cubic root of 2611317061 is about 1377.0610740076.

The spelling of 2611317061 in words is "two billion, six hundred eleven million, three hundred seventeen thousand, sixty-one".