8126539 has 2 divisors, whose sum is σ = 8126540. Its totient is φ = 8126538.

The previous prime is 8126537. The next prime is 8126581. The reversal of 8126539 is 9356218.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8126539 - 2¹ = 8126537 is a prime.

It is a super-2 number, since 2×8126539² = 132081272237042, which contains 22 as substring.

Together with 8126537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8126533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063269 + 4063270.

It is an arithmetic number, because the mean of its divisors is an integer number (4063270).

Almost surely, 2^8126539 is an apocalyptic number.

8126539 is a deficient number, since it is larger than the sum of its proper divisors (1).

8126539 is an equidigital number, since it uses as much as digits as its factorization.

8126539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 8126539 is about 2850.7085084238. The cubic root of 8126539 is about 201.0489802500.

The spelling of 8126539 in words is "eight million, one hundred twenty-six thousand, five hundred thirty-nine".