8252426391 has 24 divisors (see below), whose sum is σ = 12122756352. Its totient is φ = 4989771600.

The previous prime is 8252426359. The next prime is 8252426407. The reversal of 8252426391 is 1936242528.

It is not a de Polignac number, because 8252426391 - 2⁵ = 8252426359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8252426491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130080 + ... + 182826.

It is an arithmetic number, because the mean of its divisors is an integer number (505114848).

Almost surely, 2^8252426391 is an apocalyptic number.

8252426391 is a deficient number, since it is larger than the sum of its proper divisors (3870329961).

8252426391 is a wasteful number, since it uses less digits than its factorization.

8252426391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53203 (or 53192 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 8252426391 is about 90842.8664838357. The cubic root of 8252426391 is about 2020.8180843973.

The spelling of 8252426391 in words is "eight billion, two hundred fifty-two million, four hundred twenty-six thousand, three hundred ninety-one".