6700997 has 2 divisors, whose sum is σ = 6700998. Its totient is φ = 6700996.

The previous prime is 6700987. The next prime is 6701003. The reversal of 6700997 is 7990076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6421156 + 279841 = 2534^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 6700997 - 2⁶ = 6700933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6700997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6700937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350498 + 3350499.

It is an arithmetic number, because the mean of its divisors is an integer number (3350499).

Almost surely, 2^6700997 is an apocalyptic number.

It is an amenable number.

6700997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6700997 is an equidigital number, since it uses as much as digits as its factorization.

6700997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 6700997 is about 2588.6284012967. The cubic root of 6700997 is about 188.5297136235.

The spelling of 6700997 in words is "six million, seven hundred thousand, nine hundred ninety-seven".