2021302961 has 2 divisors, whose sum is σ = 2021302962. Its totient is φ = 2021302960.

The previous prime is 2021302939. The next prime is 2021302999. The reversal of 2021302961 is 1692031202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1910127025 + 111175936 = 43705^2 + 10544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021302961 - 2¹⁰ = 2021301937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021302961.

It is not a weakly prime, because it can be changed into another prime (2021302861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010651480 + 1010651481.

It is an arithmetic number, because the mean of its divisors is an integer number (1010651481).

Almost surely, 2^2021302961 is an apocalyptic number.

It is an amenable number.

2021302961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021302961 is an equidigital number, since it uses as much as digits as its factorization.

2021302961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2021302961 is about 44958.9030226495. The cubic root of 2021302961 is about 1264.3786021458.

The spelling of 2021302961 in words is "two billion, twenty-one million, three hundred two thousand, nine hundred sixty-one".