960520993 has 2 divisors, whose sum is σ = 960520994. Its totient is φ = 960520992.

The previous prime is 960520921. The next prime is 960521053. The reversal of 960520993 is 399025069.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 572549184 + 387971809 = 23928^2 + 19697^2 .

It is an emirp because it is prime and its reverse (399025069) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-960520993 is a prime.

It is not a weakly prime, because it can be changed into another prime (960520193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480260496 + 480260497.

It is an arithmetic number, because the mean of its divisors is an integer number (480260497).

Almost surely, 2^960520993 is an apocalyptic number.

It is an amenable number.

960520993 is a deficient number, since it is larger than the sum of its proper divisors (1).

960520993 is an equidigital number, since it uses as much as digits as its factorization.

960520993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 960520993 is about 30992.2731176660. The cubic root of 960520993 is about 986.6632529075.

The spelling of 960520993 in words is "nine hundred sixty million, five hundred twenty thousand, nine hundred ninety-three".