8297512961 has 2 divisors, whose sum is σ = 8297512962. Its totient is φ = 8297512960.

The previous prime is 8297512943. The next prime is 8297513011. The reversal of 8297512961 is 1692157928.

It is an a-pointer prime, because the next prime (8297513011) can be obtained adding 8297512961 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6313255936 + 1984257025 = 79456^2 + 44545^2 .

It is a cyclic number.

It is not a de Polignac number, because 8297512961 - 2⁶ = 8297512897 is a prime.

It is not a weakly prime, because it can be changed into another prime (8297512901) 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, 4148756480 + 4148756481.

It is an arithmetic number, because the mean of its divisors is an integer number (4148756481).

It is a Proth number, since it is equal to 63305 ⋅ 2¹⁷ + 1 and 63305 < 2¹⁷.

Almost surely, 2^8297512961 is an apocalyptic number.

It is an amenable number.

8297512961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8297512961 is an equidigital number, since it uses as much as digits as its factorization.

8297512961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 8297512961 is about 91090.6853690321. The cubic root of 8297512961 is about 2024.4916031859.

The spelling of 8297512961 in words is "eight billion, two hundred ninety-seven million, five hundred twelve thousand, nine hundred sixty-one".