8005238453 has 2 divisors, whose sum is σ = 8005238454. Its totient is φ = 8005238452.

The previous prime is 8005238419. The next prime is 8005238459. The reversal of 8005238453 is 3548325008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6178274404 + 1826964049 = 78602^2 + 42743^2 .

It is a cyclic number.

It is not a de Polignac number, because 8005238453 - 2²⁰ = 8004189877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8005238459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002619226 + 4002619227.

It is an arithmetic number, because the mean of its divisors is an integer number (4002619227).

Almost surely, 2^8005238453 is an apocalyptic number.

It is an amenable number.

8005238453 is a deficient number, since it is larger than the sum of its proper divisors (1).

8005238453 is an equidigital number, since it uses as much as digits as its factorization.

8005238453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 8005238453 is about 89471.9981502593. The cubic root of 8005238453 is about 2000.4364425020.

The spelling of 8005238453 in words is "eight billion, five million, two hundred thirty-eight thousand, four hundred fifty-three".