6630453 has 6 divisors (see below), whose sum is σ = 9577334. Its totient is φ = 4420296.

The previous prime is 6630433. The next prime is 6630457. The reversal of 6630453 is 3540366.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 1238769 = 2322^2 + 1113^2 .

It is not a de Polignac number, because 6630453 - 2⁹ = 6629941 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 (6630457) 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 5 ways as a sum of consecutive naturals, for example, 368350 + ... + 368367.

Almost surely, 2^6630453 is an apocalyptic number.

It is an amenable number.

6630453 is a deficient number, since it is larger than the sum of its proper divisors (2946881).

6630453 is a wasteful number, since it uses less digits than its factorization.

6630453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736723 (or 736720 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 6630453 is about 2574.9666017252. The cubic root of 6630453 is about 187.8658032053.

The spelling of 6630453 in words is "six million, six hundred thirty thousand, four hundred fifty-three".