960616621 has 2 divisors, whose sum is σ = 960616622. Its totient is φ = 960616620.

The previous prime is 960616571. The next prime is 960616651. The reversal of 960616621 is 126616069.

960616621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875331396 + 85285225 = 29586^2 + 9235^2 .

It is a cyclic number.

It is not a de Polignac number, because 960616621 - 2²⁵ = 927062189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (960616651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480308310 + 480308311.

It is an arithmetic number, because the mean of its divisors is an integer number (480308311).

Almost surely, 2^960616621 is an apocalyptic number.

It is an amenable number.

960616621 is a deficient number, since it is larger than the sum of its proper divisors (1).

960616621 is an equidigital number, since it uses as much as digits as its factorization.

960616621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 960616621 is about 30993.8158509081. The cubic root of 960616621 is about 986.6959953820.

The spelling of 960616621 in words is "nine hundred sixty million, six hundred sixteen thousand, six hundred twenty-one".