6900539 has 2 divisors, whose sum is σ = 6900540. Its totient is φ = 6900538.

The previous prime is 6900533. The next prime is 6900559. The reversal of 6900539 is 9350096.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6900539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6900533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450269 + 3450270.

It is an arithmetic number, because the mean of its divisors is an integer number (3450270).

Almost surely, 2^6900539 is an apocalyptic number.

6900539 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900539 is an equidigital number, since it uses as much as digits as its factorization.

6900539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 6900539 is about 2626.8877022058. The cubic root of 6900539 is about 190.3827832483.

The spelling of 6900539 in words is "six million, nine hundred thousand, five hundred thirty-nine".