6990101 has 4 divisors (see below), whose sum is σ = 7014252. Its totient is φ = 6965952.

The previous prime is 6990059. The next prime is 6990107. The reversal of 6990101 is 1010996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3478225 + 3511876 = 1865^2 + 1874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6990101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11636 + ... + 12221.

It is an arithmetic number, because the mean of its divisors is an integer number (1753563).

Almost surely, 2^6990101 is an apocalyptic number.

It is an amenable number.

6990101 is a deficient number, since it is larger than the sum of its proper divisors (24151).

6990101 is a wasteful number, since it uses less digits than its factorization.

6990101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24150.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 6990101 is about 2643.8799140657. The cubic root of 6990101 is about 191.2029038062.

The spelling of 6990101 in words is "six million, nine hundred ninety thousand, one hundred one".