8126403253 has 2 divisors, whose sum is σ = 8126403254. Its totient is φ = 8126403252.

The previous prime is 8126403251. The next prime is 8126403269. The reversal of 8126403253 is 3523046218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4212399409 + 3914003844 = 64903^2 + 62562^2 .

It is a cyclic number.

It is not a de Polignac number, because 8126403253 - 2¹ = 8126403251 is a prime.

Together with 8126403251, 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 (8126403251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063201626 + 4063201627.

It is an arithmetic number, because the mean of its divisors is an integer number (4063201627).

Almost surely, 2^8126403253 is an apocalyptic number.

It is an amenable number.

8126403253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8126403253 is an equidigital number, since it uses as much as digits as its factorization.

8126403253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 8126403253 is about 90146.5653976900. The cubic root of 8126403253 is about 2010.4786079243.

The spelling of 8126403253 in words is "eight billion, one hundred twenty-six million, four hundred three thousand, two hundred fifty-three".