6997087 has 2 divisors, whose sum is σ = 6997088. Its totient is φ = 6997086.

The previous prime is 6997069. The next prime is 6997093. The reversal of 6997087 is 7807996.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6997087 is a prime.

6997087 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6997057) 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, 3498543 + 3498544.

It is an arithmetic number, because the mean of its divisors is an integer number (3498544).

Almost surely, 2^6997087 is an apocalyptic number.

6997087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6997087 is an equidigital number, since it uses as much as digits as its factorization.

6997087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 6997087 is about 2645.2007485255. The cubic root of 6997087 is about 191.2665795073.

The spelling of 6997087 in words is "six million, nine hundred ninety-seven thousand, eighty-seven".