6630433 has 2 divisors, whose sum is σ = 6630434. Its totient is φ = 6630432.

The previous prime is 6630409. The next prime is 6630457. The reversal of 6630433 is 3340366.

It is a balanced prime because it is at equal distance from previous prime (6630409) and next prime (6630457).

It can be written as a sum of positive squares in only one way, i.e., 5841889 + 788544 = 2417^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 6630433 - 2⁹ = 6629921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6630398 and 6630407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6633433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315216 + 3315217.

It is an arithmetic number, because the mean of its divisors is an integer number (3315217).

Almost surely, 2^6630433 is an apocalyptic number.

It is an amenable number.

6630433 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630433 is an equidigital number, since it uses as much as digits as its factorization.

6630433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 6630433 is about 2574.9627181767. The cubic root of 6630433 is about 187.8656143132.

Adding to 6630433 its reverse (3340366), we get a palindrome (9970799).

The spelling of 6630433 in words is "six million, six hundred thirty thousand, four hundred thirty-three".