6994529 has 2 divisors, whose sum is σ = 6994530. Its totient is φ = 6994528.

The previous prime is 6994511. The next prime is 6994549. The reversal of 6994529 is 9254996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5870929 + 1123600 = 2423^2 + 1060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6994529 is a prime.

It is a Chen prime.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 6994529.

It is not a weakly prime, because it can be changed into another prime (6994549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497264 + 3497265.

It is an arithmetic number, because the mean of its divisors is an integer number (3497265).

Almost surely, 2^6994529 is an apocalyptic number.

It is an amenable number.

6994529 is a deficient number, since it is larger than the sum of its proper divisors (1).

6994529 is an equidigital number, since it uses as much as digits as its factorization.

6994529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 6994529 is about 2644.7171871488. The cubic root of 6994529 is about 191.2432688761.

The spelling of 6994529 in words is "six million, nine hundred ninety-four thousand, five hundred twenty-nine".