8320974253 has 2 divisors, whose sum is σ = 8320974254. Its totient is φ = 8320974252.

The previous prime is 8320974251. The next prime is 8320974257. The reversal of 8320974253 is 3524790238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5994166084 + 2326808169 = 77422^2 + 48237^2 .

It is a cyclic number.

It is not a de Polignac number, because 8320974253 - 2¹ = 8320974251 is a prime.

It is a super-2 number, since 2×8320974253² (a number of 21 digits) contains 22 as substring.

Together with 8320974251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8320974251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160487126 + 4160487127.

It is an arithmetic number, because the mean of its divisors is an integer number (4160487127).

Almost surely, 2^8320974253 is an apocalyptic number.

It is an amenable number.

8320974253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8320974253 is an equidigital number, since it uses as much as digits as its factorization.

8320974253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 8320974253 is about 91219.3743291413. The cubic root of 8320974253 is about 2026.3978969884.

The spelling of 8320974253 in words is "eight billion, three hundred twenty million, nine hundred seventy-four thousand, two hundred fifty-three".