2961312073 has 2 divisors, whose sum is σ = 2961312074. Its totient is φ = 2961312072.

The previous prime is 2961312049. The next prime is 2961312083. The reversal of 2961312073 is 3702131692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2914704144 + 46607929 = 53988^2 + 6827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2961312073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2961312083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480656036 + 1480656037.

It is an arithmetic number, because the mean of its divisors is an integer number (1480656037).

Almost surely, 2^2961312073 is an apocalyptic number.

It is an amenable number.

2961312073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961312073 is an equidigital number, since it uses as much as digits as its factorization.

2961312073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2961312073 is about 54417.9388896713. The cubic root of 2961312073 is about 1436.0229887007.

The spelling of 2961312073 in words is "two billion, nine hundred sixty-one million, three hundred twelve thousand, seventy-three".