8253812543 has 2 divisors, whose sum is σ = 8253812544. Its totient is φ = 8253812542.

The previous prime is 8253812531. The next prime is 8253812561. The reversal of 8253812543 is 3452183528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8253812543 - 2¹⁸ = 8253550399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8253812543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8253812513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126906271 + 4126906272.

It is an arithmetic number, because the mean of its divisors is an integer number (4126906272).

Almost surely, 2^8253812543 is an apocalyptic number.

8253812543 is a deficient number, since it is larger than the sum of its proper divisors (1).

8253812543 is an equidigital number, since it uses as much as digits as its factorization.

8253812543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 41.

The square root of 8253812543 is about 90850.4955572615. The cubic root of 8253812543 is about 2020.9312230095.

The spelling of 8253812543 in words is "eight billion, two hundred fifty-three million, eight hundred twelve thousand, five hundred forty-three".