6997633 has 2 divisors, whose sum is σ = 6997634. Its totient is φ = 6997632.

The previous prime is 6997631. The next prime is 6997649. The reversal of 6997633 is 3367996.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5489649 + 1507984 = 2343^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 6997633 - 2¹ = 6997631 is a prime.

Together with 6997631, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6997633.

It is not a weakly prime, because it can be changed into another prime (6997631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3498816 + 3498817.

It is an arithmetic number, because the mean of its divisors is an integer number (3498817).

Almost surely, 2^6997633 is an apocalyptic number.

It is an amenable number.

6997633 is a deficient number, since it is larger than the sum of its proper divisors (1).

6997633 is an equidigital number, since it uses as much as digits as its factorization.

6997633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 43.

The square root of 6997633 is about 2645.3039522898. The cubic root of 6997633 is about 191.2715543793.

The spelling of 6997633 in words is "six million, nine hundred ninety-seven thousand, six hundred thirty-three".