8320974251 has 2 divisors, whose sum is σ = 8320974252. Its totient is φ = 8320974250.

The previous prime is 8320974229. The next prime is 8320974253. The reversal of 8320974251 is 1524790238.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8320974251 is a prime.

It is a super-2 number, since 2×8320974251² (a number of 21 digits) contains 22 as substring.

Together with 8320974253, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8320974199 and 8320974208.

It is not a weakly prime, because it can be changed into another prime (8320974253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160487125 + 4160487126.

It is an arithmetic number, because the mean of its divisors is an integer number (4160487126).

Almost surely, 2^8320974251 is an apocalyptic number.

8320974251 is a deficient number, since it is larger than the sum of its proper divisors (1).

8320974251 is an equidigital number, since it uses as much as digits as its factorization.

8320974251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 8320974251 is about 91219.3743181787. The cubic root of 8320974251 is about 2026.3978968260.

The spelling of 8320974251 in words is "eight billion, three hundred twenty million, nine hundred seventy-four thousand, two hundred fifty-one".