6985523 has 2 divisors, whose sum is σ = 6985524. Its totient is φ = 6985522.

The previous prime is 6985519. The next prime is 6985553. The reversal of 6985523 is 3255896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6985523 - 2² = 6985519 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6985513) 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, 3492761 + 3492762.

It is an arithmetic number, because the mean of its divisors is an integer number (3492762).

Almost surely, 2^6985523 is an apocalyptic number.

6985523 is a deficient number, since it is larger than the sum of its proper divisors (1).

6985523 is an equidigital number, since it uses as much as digits as its factorization.

6985523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 6985523 is about 2643.0139992062. The cubic root of 6985523 is about 191.1611534293.

The spelling of 6985523 in words is "six million, nine hundred eighty-five thousand, five hundred twenty-three".