6987601 has 2 divisors, whose sum is σ = 6987602. Its totient is φ = 6987600.

The previous prime is 6987593. The next prime is 6987613. The reversal of 6987601 is 1067896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 123201 = 2620^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 6987601 - 2³ = 6987593 is a prime.

It is not a weakly prime, because it can be changed into another prime (6987661) 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, 3493800 + 3493801.

It is an arithmetic number, because the mean of its divisors is an integer number (3493801).

Almost surely, 2^6987601 is an apocalyptic number.

It is an amenable number.

6987601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6987601 is an equidigital number, since it uses as much as digits as its factorization.

6987601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6987601 is about 2643.4070817791. The cubic root of 6987601 is about 191.1801066031.

The spelling of 6987601 in words is "six million, nine hundred eighty-seven thousand, six hundred one".